Added 2020 (python)

2023-08-02 11:39:56 +02:00 · 2023-08-02 11:39:56 +02:00 · 410815acf8
commit 410815acf8
93 changed files with 11719 additions and 0 deletions
--- a/2020/1/input
+++ b/2020/1/input
@ -0,0 +1,200 @@
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--- a/2020/1/prog.py
+++ b/2020/1/prog.py
@ -0,0 +1,75 @@
+def get_file_input(filename):
+    ret = set()
+    with open("input", "r") as f:
+        for i, line in enumerate(f.readlines()):
+            if " " in line:
+                raise ValueError(f"Only on value can be put per line in the input file (space detected at line {i} the input file).")
+            ret.add(int(line))
+    return ret
+
+def get_2_numbers(s: set):
+    goal = 2020
+
+    known = set()
+    for e in s:
+        sub_goal = 2020 - e
+        if sub_goal in known:
+            return e, sub_goal
+        known.add(e)
+
+
+def init_dict(s: set):
+    ret = dict()
+    for e in s:
+        ret[e] = {e}
+    return ret 
+
+
+def get_n_numbers(n_entries: int, s: set, data: dict):
+    if data == {}:
+        data = init_dict(s)
+
+    if n_entries == 2:
+        goal = 2020
+
+        for e in s:
+            sub_goal = 2020 - e
+            if sub_goal in data.keys():
+                return e, *data[sub_goal]
+    else:
+        new_data = {}
+        for e in s:
+            for result, values in data.items():
+                if e in values: pass
+                new_data[result + e] = values | {e}
+        return get_n_numbers(n_entries - 1, s, new_data)
+
+def get_result(*ns: int):
+    ret = 1
+    for n in ns:
+        ret *= n
+    return ret
+
+def main(n_entries = 2, use_sample_input = True):
+    sample = { 1721,
+            979,
+            366,
+            299,
+            675,
+            1456}
+    
+    res = get_result(
+            *get_n_numbers(
+                n_entries, 
+                sample if use_sample_input else get_file_input("input"), 
+                {})
+            )
+
+    if use_sample_input:
+        expected = 241861950 if n_entries == 3 else 514579 # if n_entries == 2 
+        return f"{res} {res==expected}".upper()
+    else:
+        return res
+
+
+print(main(n_entries = 3, use_sample_input = False))
--- a/2020/10/pycache/prog.cpython-38.pyc
+++ b/2020/10/pycache/prog.cpython-38.pyc
--- a/2020/10/input
+++ b/2020/10/input
@ -0,0 +1,93 @@
+47
+99
+115
+65
+10
+55
+19
+73
+80
+100
+71
+110
+64
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+49
+3
+1
+98
+132
+2
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--- a/2020/10/prog.py
+++ b/2020/10/prog.py
@ -0,0 +1,23 @@
+def get_input(sample = False, number = 1):
+    with open(f"sample_{number}" if sample else "input", 'r') as f:
+        return [int(i) for i in f.readlines()]
+
+def get_result(data: list, part = 1):
+    data.sort()
+    data = [0] + data + [data[-1] + 3]
+    diffs = []
+
+    for i in range(len(data) - 1):
+        n1, n2 = data[i], data[i + 1]
+        diffs.append(n2 - n1)
+
+    if part == 1:
+        return diffs.count(1) * diffs.count(3)
+    else:
+        for diff in diffs
+        return 0
+
+
+if __name__ == "__main__":
+    print(get_result(get_input()))
+
--- a/2020/10/sample_1
+++ b/2020/10/sample_1
@ -0,0 +1,11 @@
+16
+10
+15
+5
+1
+11
+7
+19
+6
+12
+4
--- a/2020/10/sample_2
+++ b/2020/10/sample_2
@ -0,0 +1,31 @@
+28
+33
+18
+42
+31
+14
+46
+20
+48
+47
+24
+23
+49
+45
+19
+38
+39
+11
+1
+32
+25
+35
+8
+17
+7
+9
+4
+2
+34
+10
+3
--- a/2020/10/test.py
+++ b/2020/10/test.py
@ -0,0 +1,12 @@
+from prog import *
+
+inp_1 = get_input(sample = True, number = 1)
+result_1_1 = get_result(inp_1)
+expected_1_1 = 35
+print(f"{result_1_1 = } {result_1_1 == expected_1_1}")
+
+
+inp_2 = get_input(sample = True, number = 2)
+result_1_2 = get_result(inp_2)
+expected_1_2 = 220
+print(f"{result_1_2 = } {result_1_2 == expected_1_2}")
--- a/2020/11/pycache/prog.cpython-38.pyc
+++ b/2020/11/pycache/prog.cpython-38.pyc
--- a/2020/11/input
+++ b/2020/11/input
@ -0,0 +1,91 @@
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+LLLLLLLL.LLLLLLL.LLLLL.LLLLLLLLLLLLL..LLLLLLLLL.LLLLLL.LLLLL.LLLLLLL.LLLLLLL.LLLLLLLLLLLLLLL.LLLLLL
+..LL.....L....L...L.LL........LL.L........L....L....L.L....LLL.L....LLLLLL.L.L.L..LLL.L.L.L..LL..LL
+LLLL.LLL.LLLLLL.LLLLLL.LLLLLLLLLLLLL.LLLLLLLLLLLLLLLLL.LLLLL.LLLLLLLLLLLLLLL.LLLLLLLL.LLLLL.LLLLLLL
+LLLLLLLL.LLLLLLL.LLLLL.LLLL..LLLLLLLL.LLLLLL.LL.L.LLLL.LLLLL.LLL.LLL.LLLLLLL.LLLLL.LLLLLLLLL.LLLLL.
+LLLLLLLLLLLLLLLLLLLL.L.LLLLLLLLLLLLLL.LLLL.LLLL.LLLLLL.LLLLL..LLLLLL.LLLLLLL.LLLLL.LL.LLLLLL.LLLLLL
+LLLLLLLL.LLLLLLLLLLLLL.LLLLL.LLLLLLLL.LLLLLLLLL.LLL.LL.L.LLLLLLLL.LLLLLLLLLL.LLLLLLLLLLLLLLLL.LLLLL
+LLLLLLLL.LLLLLLL.LLLLL.LLLLLLLLLLLLLL.LLLL.LLLL.LLLLLL.LLLLL.LLLLLLL.LLLLLLLLLL.LLLLL.LLLLLL.LLLLLL
+LLL.LLLLLLLLLLLL.LLLLL.LLL.LLLLLLLLLLLLLLLLLLLLLLL.LLL.LLLLL.LLLLLLL.LLLLLLL.LLLL.LLL.LLLLLL.LLLLLL
--- a/2020/11/prog.py
+++ b/2020/11/prog.py
@ -0,0 +1,118 @@
+def get_input(sample = False, sample_name = "sample"):
+    with open(sample_name if sample else "input", "r") as f:
+        return [list(l.strip()) for l in f.readlines()]
+
+
+def is_there_occupied(range_x, range_y, seats):
+    try:
+        for x, y in zip(range_x, range_y):
+            #  print(f"\tChecking: {x}, {y}")
+            if seats[y][x] == "#":
+                #  print(f"\tFound an # at {x}, {y}")
+                return True
+            elif seats[y][x] == "L":
+                return False
+        return False
+    except IndexError:
+        return False
+
+    
+
+def count_occupied_direction(center_x, center_y, seats):
+    count = 0
+    len_x = len(seats[0])
+    len_y = len(seats)
+    
+    directions = [
+            ( # N
+                [center_x] * center_y, 
+                range(center_y - 1, -1, -1)
+                ), 
+            ( # NE
+                range(center_x + 1, len_x),
+                range(center_y - 1, -1, -1)
+                ), 
+            ( # E
+                range(center_x + 1, len_x),
+                [center_y] * (len_x - center_x)
+                ),
+            ( # SE
+                range(center_x + 1, len_x),
+                range(center_y + 1, len_y)
+                ),
+            ( # S
+                [center_x] * (len_y - center_y), 
+                range(center_y + 1, len_y)
+                ),
+            ( # SW
+                range(center_x - 1, -1, -1),
+                range(center_y + 1, len_y)
+                ),
+            ( # W
+                range(center_x - 1, -1, -1),
+                [center_y] * center_x
+                ),
+            ( # NW
+                range(center_x - 1, -1, -1),
+                range(center_y - 1, -1, -1),
+                ) 
+            ]
+
+    for range_x, range_y in directions:
+        if is_there_occupied(range_x, range_y, seats):
+            count += 1
+
+    return count
+
+def count_occupied_around(center_x, center_y, seats):
+    count = 0
+    len_x = len(seats[0])
+    len_y = len(seats)
+
+    for y in range(center_y-1, center_y+2):
+        for x in range(center_x-1, center_x+2):
+
+            if x in range(len_x) and y in range(len_y) and (x, y) != (center_x, center_y):
+                if seats[y][x] == "#" : count += 1
+
+    return count
+
+
+def get_dummy_seats(len_x, len_y):
+    ret = []
+    for y in range(len_y):
+        line = ""
+        for x in range(len_x):
+            line += "."
+        ret.append(line)
+    return ret
+
+def get_result(seats: list, part = 1):
+    len_x = len(seats[0])
+    len_y = len(seats)
+    prev_seats = get_dummy_seats(len_x, len_y)
+
+    while prev_seats != seats:
+        new_seats = [[item for item in line] for line in seats]
+        for y in range(len_y):
+            for x in range(len_x):
+                place = seats[y][x]
+                if place == ".": continue
+                count = count_occupied_around(x, y, seats) if part == 1 else count_occupied_direction(x, y, seats)
+
+                if place == "L" and count == 0:
+                    new_seats[y][x] = "#"
+                elif place == "#" and count >= (4 if part == 1 else 5):
+                    new_seats[y][x] = "L"
+
+        prev_seats = seats
+        seats = new_seats
+
+    count = 0
+    for line in seats:
+        for char in line:
+            if char == "#": count += 1
+    return count
+        
+if __name__ == "__main__":
+    print(get_result(get_input(), part = 2))
--- a/2020/11/sample
+++ b/2020/11/sample
@ -0,0 +1,10 @@
+L.LL.LL.LL
+LLLLLLL.LL
+L.L.L..L..
+LLLL.LL.LL
+L.LL.LL.LL
+L.LLLLL.LL
+..L.L.....
+LLLLLLLLLL
+L.LLLLLL.L
+L.LLLLL.LL
--- a/2020/11/sample_no_occupied
+++ b/2020/11/sample_no_occupied
@ -0,0 +1,7 @@
+.##.##.
+#.#.#.#
+##...##
+...L...
+##...##
+#.#.#.#
+.##.##.
--- a/2020/11/test.py
+++ b/2020/11/test.py
@ -0,0 +1,16 @@
+from prog import *
+
+inp = get_input(sample = True)
+
+result_1 = get_result(inp)
+expected_1 = 37
+
+print(f"{result_1 = } {result_1 == expected_1}")
+print()
+
+inp_no_occupied = get_input(sample = True, sample_name = "sample_no_occupied")
+print(count_occupied_direction(3, 3, inp_no_occupied))
+
+result_2 = get_result(inp, part = 2)
+expected_2 = 26
+print(f"{result_2 = } {result_2 == expected_2}")
--- a/2020/12/pycache/prog.cpython-38.pyc
+++ b/2020/12/pycache/prog.cpython-38.pyc
--- a/2020/12/pycache/test.cpython-38.pyc
+++ b/2020/12/pycache/test.cpython-38.pyc
--- a/2020/12/input
+++ b/2020/12/input
@ -0,0 +1,760 @@
+F35
+L90
+S5
+F4
+R90
+F46
+W3
+N1
+L90
+F13
+S5
+E5
+R180
+S1
+F39
+N2
+R90
+S1
+F94
+R90
+F55
+L90
+S2
+R90
+W3
+S5
+E3
+R180
+S4
+L90
+F40
+N5
+W5
+N3
+F88
+L90
+W3
+F12
+W1
+N1
+F65
+L90
+E1
+N1
+L270
+E3
+F67
+R90
+R180
+N3
+W5
+N4
+R90
+F48
+R180
+F50
+E3
+S4
+F50
+N4
+L90
+N5
+F26
+L90
+F21
+N5
+L90
+R90
+F13
+R90
+S2
+E4
+F33
+N5
+R90
+F78
+L180
+N3
+E5
+N4
+L180
+N3
+F12
+E4
+L90
+N2
+F32
+L270
+F13
+L90
+S5
+F100
+N4
+W4
+L270
+N1
+L90
+E5
+F30
+W3
+S3
+E4
+F38
+E3
+E2
+L90
+N1
+L180
+F89
+E1
+R90
+F51
+R90
+F12
+E5
+L90
+S3
+E3
+S3
+L180
+F66
+L180
+N3
+F26
+W4
+E2
+N4
+F90
+S4
+R90
+W4
+F79
+R90
+F38
+W3
+F10
+R90
+W1
+L180
+F34
+E5
+N4
+F30
+S4
+W1
+L180
+N2
+W1
+F76
+S5
+L270
+N5
+W1
+L90
+F4
+N1
+R90
+F86
+N1
+L90
+N1
+F75
+S4
+F85
+N3
+L270
+N5
+F85
+S4
+F84
+R180
+W2
+F10
+R90
+F72
+L90
+F90
+W4
+L90
+F94
+R90
+E4
+R90
+S2
+L90
+W3
+F89
+W3
+S2
+R90
+E1
+S1
+E5
+N1
+F77
+L90
+N2
+F52
+S1
+W1
+N5
+R90
+S2
+L90
+F97
+N1
+F54
+L90
+F3
+S2
+W5
+F71
+W2
+F86
+E5
+N1
+F32
+R270
+F1
+E4
+F18
+R180
+R90
+E1
+S5
+S3
+W2
+F75
+W4
+N1
+F3
+E1
+F46
+R90
+N4
+W5
+L90
+F76
+W2
+F62
+N2
+F29
+E2
+N4
+F60
+L90
+N2
+L90
+F31
+R270
+F97
+S4
+F75
+L90
+S4
+F51
+L90
+W5
+L90
+F53
+R270
+N1
+L90
+E3
+R90
+W1
+F44
+N1
+F97
+R90
+N2
+W4
+F27
+L90
+F91
+E1
+S5
+R180
+W5
+N2
+L90
+E2
+N5
+F34
+F26
+R90
+N2
+E4
+S5
+F58
+W1
+F3
+N5
+E3
+S2
+W4
+N2
+W5
+F19
+L180
+W4
+F68
+L90
+N5
+R90
+F65
+S4
+R180
+S4
+L90
+F59
+R90
+E3
+R90
+F44
+L90
+E5
+F19
+W5
+N4
+F10
+N4
+L90
+S4
+L90
+W3
+F75
+R180
+E5
+F97
+E3
+F63
+S3
+F53
+W2
+F53
+N1
+L90
+F14
+S3
+E5
+L90
+N5
+F28
+L90
+F3
+L90
+S2
+F52
+S2
+F99
+S5
+W2
+L90
+S1
+W5
+L90
+S1
+F11
+R90
+W4
+R90
+F11
+N3
+W3
+N5
+F39
+W1
+F50
+N2
+L90
+W4
+F88
+S5
+W4
+R270
+W4
+F55
+R90
+E3
+R180
+S1
+E3
+F100
+E3
+F38
+N3
+F28
+E5
+R90
+F94
+R180
+F95
+R90
+W4
+R180
+F40
+N4
+R90
+S5
+F69
+E2
+F2
+N5
+W2
+F16
+S2
+F71
+W2
+N3
+L90
+F36
+W1
+F90
+N5
+R90
+F93
+E2
+F23
+N1
+L90
+F22
+R90
+L90
+N4
+L180
+F7
+L90
+W2
+F29
+N2
+L90
+E4
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+N5
+F13
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+F87
+L90
+S1
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+E2
+R90
+F19
+S4
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+W1
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+F87
+N1
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+N1
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+W2
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+S1
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+L90
+E1
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+F31
+E1
+S1
+E2
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+S5
+L90
+F12
+R180
+W1
+L90
+N1
+L90
+F23
+E4
+S2
+L90
+E5
+S4
+F21
+N3
+R90
+W4
+E5
+F32
+S1
+E2
+L90
+F45
+L90
+W3
+L180
+F100
+S5
+F88
+S5
+F29
+E1
+L180
+F12
+S5
+F52
+N2
+F31
+R90
+E1
+L90
+F64
+W3
+L90
+N1
+R90
+F60
+E2
+F4
+S1
+F97
+F62
+L180
+F66
+R90
+E1
+S5
+R90
+S3
+F96
+W1
+N2
+F95
+R90
+E3
+R90
+E2
+S2
+E4
+F42
+S4
+E4
+L90
+E1
+F73
+L90
+N3
+L90
+F82
+S3
+R270
+S5
+W1
+R90
+W2
+S1
+S3
+L90
+F74
+S3
+F13
+R180
+F32
+E2
+S2
+F93
+N1
+R270
+F4
+E5
+F63
+W2
+L180
+F26
+E3
+N5
+R90
+N3
+L270
+F22
+N1
+W5
+F29
+S5
+R90
+S1
+F3
+N4
+R90
+E3
+R90
+N2
+L90
+N3
+F42
+W4
+F37
+L90
+F15
+W3
+N5
+F25
+E2
+F33
+E2
+S1
+L90
+F55
+E4
+L90
+W1
+N1
+F30
+E2
+R90
+E2
+F80
+L90
+W2
+S1
+F9
+L270
+W2
+F82
+L90
+F94
+N5
+F16
+W5
+F74
+R180
+N3
+F58
+W5
+F95
+R270
+S4
+F55
+L90
+N1
+L180
+F85
+N2
+R90
+E1
+L90
+F57
+S2
+L90
+F31
+L180
+S3
+L90
+F58
+N3
+L270
+N3
+R270
+F15
+L180
+N4
+L90
+N5
+R180
+E1
+S4
+F11
+L90
+E5
+N4
+E3
+L90
+E4
+F71
+R90
+S2
+E3
+L90
+S3
+F90
+W4
+F8
+R180
+N3
+W4
+S4
+F58
+N4
+E1
+L180
+S4
+W1
+R180
+F47
+S1
+L90
+R90
+N1
+E1
+N4
+R180
+N2
+E1
+R90
+E3
+L90
+F67
+N3
+F51
+N1
+F41
+L180
+R90
+F5
+E2
+S5
+W1
+F51
+R180
+N1
+E1
+F91
+R90
+N2
+L90
+F66
+L90
+S3
+L90
+F52
+E2
+S1
+F66
+R180
+F18
+W5
+L90
+W1
+F88
+S1
+R180
+F92
+L90
+S5
+F19
+L90
+E3
+S3
+E3
+N5
+W3
+F8
+E2
+S4
+F3
--- a/2020/12/prog.py
+++ b/2020/12/prog.py
@ -0,0 +1,67 @@
+def get_input(sample = False):
+    with open("sample" if sample else "input") as f:
+        return [(line[:1], int(line[1:])) for line in f.readlines()]
+
+def new_dir_after_rotate(cur_dir: str, L_or_R: str, amount: int):
+    orientations = ["N", "E", "S", "W"]
+    cur_dir_i = orientations.index(cur_dir)
+    return orientations[(cur_dir_i + (1 if L_or_R == "R" else -1) * amount // 90) % len(orientations)]
+
+def new_waypoint_after_rotate(cur_wp: list, L_or_R: str, amount: int):
+    ret = [0, 0]
+
+    rot = amount // 90 % 4  
+    if (rot, L_or_R) == (1, "L") or (rot, L_or_R) == (3, "R"):
+        ret[0] = -cur_wp[1]
+        ret[1] = cur_wp[0]
+    elif rot == 2:
+        ret[0] = -cur_wp[0]
+        ret[1] = -cur_wp[1]
+    elif (rot, L_or_R) == (3, "L") or (rot, L_or_R) == (1, "R"):
+        ret[0] = cur_wp[1]
+        ret[1] = -cur_wp[0]
+
+    return ret
+
+def get_result(instructions: dict, part = 1):
+    position = [0, 0]
+    waypoint = [10, 1]
+    cur_dir = "E"
+
+
+    add_to_vertical = lambda dir, x: (1 if dir == "N" else -1) * x
+    add_to_horizontal = lambda dir, x: (1 if dir == "E" else -1) * x
+
+    for cmd, amount in instructions:
+        if part == 1:
+            if cmd == "F":
+                if cur_dir in ["N", "S"]:
+                    position[1] +=  add_to_vertical(cur_dir, amount)
+                elif cur_dir in ["E", "W"]:
+                    position[0] +=  add_to_horizontal(cur_dir, amount)
+            elif cmd in ["L", "R"]:
+                cur_dir = new_dir_after_rotate(cur_dir, cmd, amount)
+            elif cmd in ["N", "E", "S", "W"]:
+                if cmd in ["N", "S"]:
+                    position[1] +=  add_to_vertical(cmd, amount)
+                elif cmd in ["E", "W"]:
+                    position[0] +=  add_to_horizontal(cmd, amount)
+        else:
+            if cmd == "F":
+                position[0] += waypoint[0] * amount
+                position[1] += waypoint[1] * amount
+            elif cmd in ["L", "R"]:
+                waypoint = new_waypoint_after_rotate(waypoint, cmd, amount)
+            elif cmd in ["N", "E", "S", "W"]:
+                if cmd in ["N", "S"]:
+                    waypoint[1] +=  add_to_vertical(cmd, amount)
+                elif cmd in ["E", "W"]:
+                    waypoint[0] +=  add_to_horizontal(cmd, amount)
+
+            
+    return sum(map(lambda x: abs(x), position))
+
+if __name__ == "__main__":
+    print(get_result(get_input(), part = 2))
+
+
--- a/2020/12/sample
+++ b/2020/12/sample
@ -0,0 +1,5 @@
+F10
+N3
+F7
+R90
+F11
--- a/2020/12/test.py
+++ b/2020/12/test.py
@ -0,0 +1,64 @@
+import unittest
+from prog import *
+
+class Rotate(unittest.TestCase):
+    def test_rotate_L90(self):
+        self.assertEqual(new_dir_after_rotate("N", "L", 90), "W")
+        self.assertEqual(new_dir_after_rotate("E", "L", 90), "N")
+        self.assertEqual(new_dir_after_rotate("S", "L", 90), "E")
+        self.assertEqual(new_dir_after_rotate("W", "L", 90), "S")
+
+    def test_rotate_R90(self):
+        self.assertEqual(new_dir_after_rotate("N", "R", 90), "E")
+        self.assertEqual(new_dir_after_rotate("E", "R", 90), "S")
+        self.assertEqual(new_dir_after_rotate("S", "R", 90), "W")
+        self.assertEqual(new_dir_after_rotate("W", "R", 90), "N")
+
+    def test_rotate_L180(self):
+        self.assertEqual(new_dir_after_rotate("N", "L", 180), "S")
+        self.assertEqual(new_dir_after_rotate("E", "L", 180), "W")
+        self.assertEqual(new_dir_after_rotate("S", "L", 180), "N")
+        self.assertEqual(new_dir_after_rotate("W", "L", 180), "E")
+
+    def test_rotate_R180(self):
+        self.assertEqual(new_dir_after_rotate("N", "R", 180), "S")
+        self.assertEqual(new_dir_after_rotate("E", "R", 180), "W")
+        self.assertEqual(new_dir_after_rotate("S", "R", 180), "N")
+        self.assertEqual(new_dir_after_rotate("W", "R", 180), "E")
+
+    def test_rotate_L270(self):
+        self.assertEqual(new_dir_after_rotate("N", "L", 270), "E")
+        self.assertEqual(new_dir_after_rotate("E", "L", 270), "S")
+        self.assertEqual(new_dir_after_rotate("S", "L", 270), "W")
+        self.assertEqual(new_dir_after_rotate("W", "L", 270), "N")
+
+    def test_rotate_R270(self):
+        self.assertEqual(new_dir_after_rotate("N", "R", 270), "W")
+        self.assertEqual(new_dir_after_rotate("E", "R", 270), "N")
+        self.assertEqual(new_dir_after_rotate("S", "R", 270), "E")
+        self.assertEqual(new_dir_after_rotate("W", "R", 270), "S")
+
+    def test_rotate_L360(self):
+        self.assertEqual(new_dir_after_rotate("N", "L", 360), "N")
+        self.assertEqual(new_dir_after_rotate("E", "L", 360), "E")
+        self.assertEqual(new_dir_after_rotate("S", "L", 360), "S")
+        self.assertEqual(new_dir_after_rotate("W", "L", 360), "W")
+
+    def test_rotate_R360(self):
+        self.assertEqual(new_dir_after_rotate("N", "R", 360), "N")
+        self.assertEqual(new_dir_after_rotate("E", "R", 360), "E")
+        self.assertEqual(new_dir_after_rotate("S", "R", 360), "S")
+        self.assertEqual(new_dir_after_rotate("W", "R", 360), "W")
+
+class Result(unittest.TestCase):
+    def setUp(self):
+        self.inp = get_input(sample = True)
+
+    def test_part_1(self):
+        result = get_result(self.inp)
+        self.assertEqual(result, 25)
+
+    def test_part_2(self):
+        result = get_result(self.inp, part = 2)
+        self.assertEqual(result, 286)
+
--- a/2020/13/pycache/prog.cpython-38.pyc
+++ b/2020/13/pycache/prog.cpython-38.pyc
--- a/2020/13/pycache/test.cpython-38.pyc
+++ b/2020/13/pycache/test.cpython-38.pyc
--- a/2020/13/input
+++ b/2020/13/input
@ -0,0 +1,2 @@
+1002462
+37,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,41,x,x,x,x,x,x,x,x,x,601,x,x,x,x,x,x,x,x,x,x,x,19,x,x,x,x,17,x,x,x,x,x,23,x,x,x,x,x,29,x,443,x,x,x,x,x,x,x,x,x,x,x,x,13
--- a/2020/13/prog.py
+++ b/2020/13/prog.py
@ -0,0 +1,52 @@
+from math import gcd
+
+def get_input(sample = False):
+    with open("sample" if sample else 'input', 'r') as f:
+        ret = []
+        lines = f.readlines()
+        ret.append(int(lines[0]))
+        ret.append([int(x) if x != "x" else x for x in lines[1].split(',')])
+
+        return ret
+
+def get_next_bus_departure(bus_id: int, cur_time: int):
+    return bus_id * math.ceil(cur_time / bus_id)
+
+def get_result(data: list, part = 1):
+    cur_time = data[0]
+    busses = data[1]
+
+    if part == 1:
+        eta_n_bus = {}
+        for bus in busses:
+            if bus == 'x': continue
+            
+            eta = get_next_bus_departure(bus, cur_time)
+            eta_n_bus[eta] = bus
+
+        earliest = min(eta_n_bus.keys())
+        earliest_bus = eta_n_bus[earliest]
+        waiting_time = earliest - cur_time
+        return waiting_time * earliest_bus
+    else:
+        step = busses[0]
+        bus_n_offsets = [(bus, offset) for offset, bus in enumerate(busses) if bus != 'x']
+        time = 0
+
+        for bus, offset in bus_n_offsets[1:]:
+            while True:
+                time += step
+                if (time + offset) % bus == 0:
+                    step = lcm(step, bus)
+                    break
+        return time
+                    
+        
+
+
+def lcm(a, b):
+    return abs(a*b) // gcd(a, b)
+
+
+if __name__ == "__main__":
+    print(get_result(get_input(), part = 2))
--- a/2020/13/sample
+++ b/2020/13/sample
@ -0,0 +1,2 @@
+939
+7,13,x,x,59,x,31,19
--- a/2020/13/test.py
+++ b/2020/13/test.py
@ -0,0 +1,20 @@
+from prog import *
+import unittest
+
+class Methods(unittest.TestCase):
+    def test_get_input(self):
+        inp = get_input(sample = True)
+        self.assertEqual(inp, [939, [7, 13, 'x', 'x', 59, 'x', 31, 19]])
+
+class Result(unittest.TestCase):
+    def setUp(self):
+        self.inp = get_input(sample = True)
+
+    def test_part_1(self):
+        self.assertEqual(get_result(self.inp), 295)
+
+    def test_part_2(self):
+        self.assertEqual(get_result([0, [7, 13]], part = 2), 77)
+        self.assertEqual(get_result([0, [17, 'x', 13, 19]], part = 2), 3417)
+        self.assertEqual(get_result(self.inp, part = 2), 1068781)
+
--- a/2020/14/pycache/prog.cpython-38.pyc
+++ b/2020/14/pycache/prog.cpython-38.pyc
--- a/2020/14/pycache/test.cpython-38.pyc
+++ b/2020/14/pycache/test.cpython-38.pyc
--- a/2020/14/input
+++ b/2020/14/input
@ -0,0 +1,554 @@
+mask = 1110X1110XXX101X0011010X110X10X0110X
+mem[40257] = 51331021
+mem[18433] = 464024066
+mem[9993] = 463909
+mask = 11X011010X110X101X011X1X010X10100001
+mem[54152] = 692939
+mem[31079] = 22525259
+mem[33597] = 474240
+mem[3881] = 919507
+mem[24651] = 48975360
+mem[14815] = 1554
+mem[17731] = 1337580
+mask = X0X0111111000000100101100X000X10X001
+mem[56856] = 474071
+mem[3724] = 29660
+mem[18229] = 189
+mem[34570] = 419796001
+mem[11355] = 65374715
+mem[37999] = 522634
+mask = 1111X0111XX00000111X1010X1101XX01110
+mem[3262] = 99770791
+mem[4906] = 11370
+mem[12532] = 1083912
+mask = 10110101101X1X00X1111010001001010X10
+mem[46252] = 84993342
+mem[5286] = 1013690
+mask = 11X001110111101X001101XX100110001010
+mem[55055] = 516
+mem[38350] = 615
+mem[51960] = 2038
+mem[61990] = 957107
+mem[24357] = 8172
+mask = 1XXX1111X101001X011X000X110110001X01
+mem[57990] = 3734
+mem[50349] = 101222011
+mem[45511] = 42986512
+mem[40272] = 403
+mem[54329] = 1626458
+mem[26816] = 448210757
+mask = 11101111011000X01X1XX100X0XXX010X001
+mem[51488] = 333041
+mem[30893] = 3258
+mem[31999] = 14972408
+mem[48851] = 74906
+mem[22619] = 3442368
+mask = 0X000X11X10XXX101011010X001111111011
+mem[6850] = 1224301
+mem[48485] = 34534000
+mem[24614] = 1055775
+mask = 0100X11101X100X0X11100XX110011101100
+mem[18755] = 100409700
+mem[31397] = 114132362
+mask = 1110111111000X011XX1X10011X001011001
+mem[25234] = 575
+mem[54990] = 110437
+mem[5738] = 872
+mem[37430] = 206977297
+mem[40257] = 767384
+mem[478] = 5752
+mask = 111001110111101X001101X1100110X010X1
+mem[21231] = 2835725
+mem[14092] = 1259011
+mem[23506] = 3099
+mask = 1110001X1111001X1101101XXX100X0010XX
+mem[37900] = 79419475
+mem[37628] = 125826
+mem[11380] = 624
+mem[36032] = 284016390
+mem[47266] = 767
+mask = XX10X1101101XXX0111110011100X111110X
+mem[48427] = 18603
+mem[19559] = 124107997
+mem[49782] = 29154
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+mem[49580] = 148450462
+mem[54342] = 180288875
+mask = 110011110101X01001X10XX11X1XX111X011
+mem[49856] = 445359
+mem[7226] = 4303932
+mem[62181] = 12485531
+mem[45386] = 1037
+mask = X1X01111X1010010XX11X1000100XX1000X1
+mem[32337] = 31771
+mem[55567] = 1438485
+mem[49504] = 452407
+mem[15890] = 64458173
+mem[9930] = 43490551
+mask = 101X1111111X00101X110X100100XX111101
+mem[11172] = 30476781
+mem[16705] = 10356
+mem[9799] = 3517752
+mem[35121] = 991958953
+mem[12861] = 13640943
+mem[15424] = 98158
+mask = X110011X010XX01100X100010X1XX0001101
+mem[31621] = 456005334
+mem[57990] = 5145
+mem[7067] = 127283
+mem[57106] = 322139
+mem[49968] = 2140844
+mask = 1X1001X1X01X10110XX101XX010X00000100
+mem[42602] = 128159
+mem[26816] = 7253653
+mem[26531] = 42978
+mem[7592] = 249896576
+mem[7956] = 1315
+mask = 111011X1X11100X011X1010101XXX0XX0010
+mem[52446] = 1677086
+mem[44919] = 1499581
+mem[34842] = 5043767
+mem[24471] = 579304892
+mem[4380] = 1934
+mem[44081] = 2818
+mask = X1101X0X110X00X111X001001100111X0010
+mem[44457] = 10924
+mem[61114] = 41913513
+mem[25625] = 1074
+mem[53821] = 4293765
+mem[21864] = 895125
+mem[18764] = 24202
+mask = X111011X0110XX0X1011110111000011000X
+mem[28782] = 3396
+mem[51935] = 250016
+mem[29096] = 1633
+mask = 100011111X0X000X1011101X00001100X011
+mem[50213] = 21062
+mem[17583] = 17889
+mem[6214] = 755665
+mem[41630] = 554432
+mem[36640] = 21683065
+mem[9993] = 663
+mask = 10X0111111X00010X0X1000X0000101X1000
+mem[31206] = 1563
+mem[31999] = 893563867
+mem[25234] = 16239
+mem[16826] = 1185
+mem[6325] = 308015
+mask = 111000X11101001X11X1010000101XXX0010
+mem[714] = 174841
+mem[47336] = 1080
+mem[48590] = 5902057
+mask = 111011110X1100001101101111X10101X1X1
+mem[11741] = 285199
+mem[32864] = 794118
+mem[50294] = 3086
+mem[21244] = 13500488
+mem[52937] = 668328
+mem[25942] = 14773413
+mask = X11001111X10000011X101X0111010000X01
+mem[55993] = 227666987
+mem[54990] = 29299
+mem[10848] = 14517154
+mem[26412] = 920115307
+mask = 1X0X11111100001XX00100X01X0010111101
+mem[14992] = 62272953
+mem[48256] = 5676
+mem[19361] = 168138195
+mem[144] = 986
+mem[36032] = 911
+mask = 1X10001111110X1X110X10X1X01X1010X001
+mem[9960] = 4200
+mem[8832] = 1841117
+mask = 111X111101X00X101X11010000111111X001
+mem[32864] = 15880
+mem[9966] = 7278514
+mem[46710] = 1818748
+mem[1863] = 13021558
+mask = 1110001111X1001011X11001101000XX0XXX
+mem[63705] = 3162416
+mem[45211] = 686629227
+mem[26397] = 17094
+mem[9999] = 783527
+mem[25355] = 2865745
+mem[37999] = 982
+mask = XXX01111110000XX10X10100010XX1X01001
+mem[36032] = 1405160
+mem[25234] = 10488275
+mem[56856] = 9235
+mem[62886] = 10583974
+mask = 01000111X10X00X11011X0X11010111XX00X
+mem[9960] = 108631252
+mem[20641] = 236021
+mem[54181] = 898590
+mem[47206] = 357135433
+mask = 0X00X11111010010111X0000011001110X01
+mem[34160] = 168879
+mem[31424] = 28869180
+mem[24916] = 10670389
+mem[738] = 352
+mem[47762] = 8844766
+mask = 111011X10110X010X011X00000001100XXXX
+mem[22643] = 52619618
+mem[26725] = 18104217
+mem[51488] = 348349
+mask = 1X1011110XXX00101111100000110000X10X
+mem[56604] = 38442
+mem[64943] = 178378
+mem[14699] = 13770627
+mask = 11X01111001010X01011100000010X10X010
+mem[17095] = 9031632
+mem[21925] = 157279
+mem[16803] = 28186944
+mask = 010XX11XX1X0001X10X11101X00111011X01
+mem[18863] = 1188008
+mem[5968] = 795
+mem[43052] = 2990150
+mem[38515] = 747
+mem[44368] = 496
+mem[45434] = 2077409
+mask = 0X10111X111100111X1X000XXX00X01X1010
+mem[13059] = 23890054
+mem[51572] = 29407
+mem[39964] = 4094674
+mem[59053] = 5346433
+mask = 1110011111X100X011011X11111110X11100
+mem[1791] = 12339300
+mem[51641] = 105572
+mem[22529] = 1649
+mem[29570] = 930208
+mask = 11101111X1XX00101X111000XX000X10X0X1
+mem[19744] = 1667
+mem[18167] = 556
+mem[52216] = 39333
+mem[8118] = 28457779
+mem[14409] = 7493808
+mem[32337] = 34018
+mask = 0110X1111X010X10001X1110011X0010001X
+mem[40] = 27424
+mem[6244] = 41469
+mem[6612] = 214
+mem[36981] = 34852720
+mem[35860] = 74811624
+mem[44120] = 82357013
+mem[5999] = 395
+mask = X1X0111111000001XX11X1000XX001000010
+mem[12392] = 8235335
+mem[52538] = 236135318
+mem[7227] = 6809
+mask = 111011X10110X010111100001X00X00000X1
+mem[13662] = 270146
+mem[49569] = 11401458
+mem[49782] = 12256
+mask = X11X11110X10X000101111XXXX0100100001
+mem[63774] = 25139
+mem[47309] = 107486126
+mem[39140] = 884
+mem[35267] = 2032
+mem[16513] = 3724990
+mem[47901] = 120378235
+mem[47121] = 574
+mask = 1100X1X100110110XX010111110111101111
+mem[21716] = 53071834
+mem[9997] = 343
+mem[34175] = 109609
+mem[22643] = 59660540
+mask = 011X1X10111X001111X100X1011010100001
+mem[2872] = 4637
+mem[7429] = 13346151
+mem[21514] = 521995
+mask = 0111X1X1X11010001011X10011000X11110X
+mem[34817] = 34195656
+mem[59139] = 1538904
+mem[33597] = 7322219
+mem[43471] = 2053
+mem[31759] = 352
+mem[24649] = 393907
+mask = 0010X1111X10001010X100001X010011111X
+mem[53821] = 389983024
+mem[30685] = 681448
+mem[14409] = 8810596
+mem[58403] = 202202
+mem[59589] = 11132409
+mem[36376] = 1035668
+mem[10107] = 282
+mask = 1X00110101X1001010011010X0100000X001
+mem[35009] = 1137976
+mem[30376] = 893048407
+mem[44428] = 1634
+mask = X01X11111111001X111X10X111X00X1111X0
+mem[3088] = 1335
+mem[57928] = 2122936
+mem[14992] = 1850
+mem[50886] = 596
+mem[20951] = 1834738
+mask = X11111X1X0X000001X11XX1010X10X000001
+mem[46309] = 1344734
+mem[57393] = 7607663
+mem[64140] = 412481329
+mem[31937] = 4156010
+mask = 01000XX11100XX1110X10X00X011X11010X0
+mem[21092] = 188978
+mem[58601] = 747
+mask = 11101XX11100X001100001000X0000X11X10
+mem[49580] = 681666
+mem[28396] = 6693
+mem[21446] = 2871
+mem[8409] = 129741145
+mem[26851] = 64088468
+mask = 1X101111X111X001101010X001000000XX11
+mem[50617] = 2893221
+mem[44352] = 351080
+mem[6973] = 74704635
+mem[35215] = 58274979
+mem[34986] = 204485850
+mem[46431] = 483390728
+mask = 11101X11011100101101X00X010010X0X100
+mem[21875] = 106030145
+mem[18755] = 2197864
+mem[21518] = 110524
+mask = 101001011101X0001111XX01X000010X10X1
+mem[3866] = 10698
+mem[25215] = 23678
+mem[16705] = 8210939
+mem[40472] = 1601
+mem[43847] = 4262784
+mem[20280] = 845863570
+mask = X110XX1XX101001011X101X01000X00100X1
+mem[57100] = 7125772
+mem[64179] = 73893
+mem[54526] = 3175087
+mem[62001] = 1973479
+mask = 11X0111XXX00001010111X00X00X0XX01011
+mem[54845] = 10595
+mem[31178] = 10986515
+mem[16074] = 765117
+mem[39388] = 548
+mem[16713] = 2599663
+mask = 0100X111110100XX1X11X1X1001000110XX1
+mem[21508] = 3155
+mem[28193] = 144849
+mem[8918] = 5192
+mem[610] = 1144170
+mem[61348] = 102390786
+mem[43515] = 27343
+mem[63705] = 10436512
+mask = X100X11101000011101XXXX1101001XX0X01
+mem[47313] = 28073
+mem[33901] = 90318443
+mem[64222] = 7293
+mask = X110111XX11X00011X1X101X0100000XX001
+mem[24490] = 2682
+mem[9264] = 627919
+mem[1411] = 8120967
+mem[17130] = 1272496
+mem[2438] = 30859917
+mask = 110XXX111101X0X00X11100X010X011001X1
+mem[6973] = 19850171
+mem[51470] = 67939742
+mask = 10100111110100XX111100XX1X01X0010110
+mem[11147] = 30
+mem[22117] = 3508
+mem[32551] = 29083435
+mask = 101001XX1101X0001111X0010X01XXX11X01
+mem[18544] = 482715873
+mem[56829] = 24246491
+mem[19107] = 39530
+mem[11939] = 361324
+mem[64069] = 3257668
+mem[37976] = 2801177
+mask = X1101101X1110X10X001101X10X0110001X1
+mem[41961] = 94719
+mem[5528] = 319045708
+mem[31759] = 597770
+mem[3298] = 54756
+mem[39780] = 454394346
+mask = 11101111X1X1X010111101001X101011XX0X
+mem[6325] = 54296774
+mem[53884] = 2248
+mem[41087] = 315232205
+mem[17418] = 227971462
+mem[46081] = 5766
+mask = 1010XX00X1011000X1110X0X000110XX1100
+mem[36022] = 2440
+mem[309] = 11100855
+mem[40840] = 113562551
+mem[51488] = 1410
+mem[38724] = 80445305
+mem[46414] = 693
+mask = 100011111X010011X11100X01001XX0X1001
+mem[6850] = 1658
+mem[27296] = 2089
+mem[34000] = 227145532
+mem[36309] = 6512
+mem[8049] = 41857993
+mem[3603] = 2183079
+mem[9019] = 583919731
+mask = 11XX1XX1110000011X0XX1101100X101101X
+mem[42218] = 3195265
+mem[24649] = 20411584
+mask = 1110111X0101X0100011000011000X00X001
+mem[21925] = 945752010
+mem[26816] = 463236906
+mem[8118] = 75
+mem[7382] = 3470
+mem[24647] = 65907
+mem[34226] = 703
+mask = X11011111101X01011111011XX0000101001
+mem[54526] = 523463
+mem[12392] = 240399435
+mask = X01011111110001011111XX00XX00011X001
+mem[29635] = 370994023
+mem[1064] = 1593105
+mem[39783] = 4929783
+mem[7721] = 3697
+mem[19747] = 911509249
+mem[12181] = 8022
+mem[9277] = 269282378
+mask = 1100111XXX0X000110X1X0001100010010X1
+mem[62185] = 768934
+mem[8118] = 238
+mem[16448] = 67217
+mem[1286] = 2768751
+mask = 11X001X11110X0001111X01010X0X0000XX0
+mem[26659] = 4857903
+mem[15890] = 41829451
+mem[61153] = 1745
+mem[33685] = 1322893
+mem[58844] = 22060038
+mask = 11X0X111011100X011011111XXX00011001X
+mem[41057] = 504
+mem[9775] = 90755012
+mem[35694] = 1327
+mem[14023] = 5965
+mem[46660] = 15962
+mem[45618] = 93484
+mask = X01111111X11001011100X01X000X0XXX01X
+mem[41817] = 30341471
+mem[40062] = 2045
+mem[20631] = 3206
+mem[57953] = 99
+mask = X11011X101X11000111100011101X0001110
+mem[53840] = 154298805
+mem[46322] = 653989
+mem[36288] = 427196
+mem[50550] = 54235668
+mem[61463] = 9653
+mem[58758] = 8531442
+mem[25942] = 187891326
+mask = 1X1011111100001010X1X00000000X1XX001
+mem[24145] = 670
+mem[39140] = 8027405
+mask = 01X01110X11000111111100X001100101X1X
+mem[1858] = 465546026
+mem[53156] = 33616871
+mem[34303] = 3814644
+mem[9993] = 424038168
+mem[18379] = 105249
+mask = 1110111X0111001X111101010X11X00X1010
+mem[37628] = 1729777
+mem[14716] = 37020621
+mem[40472] = 633
+mask = 1110111XX11X000X1111001X01000011X00X
+mem[32816] = 22945
+mem[58409] = 4261203
+mask = 0110111111110001110X0X1XX111X01110X1
+mem[25234] = 1845
+mem[11313] = 26080
+mem[9420] = 894744
+mem[55530] = 854
+mask = 011011101X11001111X100X00011X0010100
+mem[11839] = 96131
+mem[53757] = 1408
+mem[44034] = 27236
+mem[2385] = 383509
+mask = 111111110XX000001X110X0X00010000XX1X
+mem[32942] = 18689
+mem[45731] = 632528
+mem[51515] = 65228710
+mem[7190] = 512188
+mem[55271] = 109657287
+mask = X1101X1111110000111X0X0001001110X010
+mem[31454] = 53024958
+mem[39884] = 1067
+mem[45511] = 12320135
+mem[49866] = 122369
+mem[57038] = 27967196
+mem[29561] = 2925457
+mask = 1X1XXXX11X10X0001111101101101000011X
+mem[5666] = 246869
+mem[16826] = 4819818
+mem[9708] = 56613002
+mem[19527] = 979537
+mem[46710] = 1863
+mem[24930] = 9732123
+mask = 0010X11111XX00101X110X0011100X01X000
+mem[54809] = 7602
+mem[46221] = 1952
+mem[18345] = 3892597
+mem[5738] = 9611
+mem[53884] = 2050573
+mem[35694] = 1819
+mem[52446] = 1143
+mask = 01001111110100XX0XXX010000001010XX01
+mem[7226] = 7110
+mem[58560] = 9302
+mem[47854] = 13408926
+mem[50530] = 115326557
+mask = 00101111111000101111000X010X001X00X0
+mem[46080] = 88122926
+mem[36726] = 990065
+mem[6612] = 244727289
+mem[3724] = 7537840
+mem[41817] = 244009305
+mem[42763] = 100935344
+mask = 11111X110010X0001X1111000X1000111101
+mem[29093] = 3116673
+mem[17213] = 576
+mem[42218] = 742524
+mask = 00101X101X010010111X11X1110001X10X1X
+mem[18167] = 5096
+mem[18013] = 110009
+mem[12532] = 548
+mem[58899] = 72440595
+mask = 00111111X111X0111110X1011X1101111001
+mem[12181] = 417885
+mem[28523] = 561
+mem[63924] = 785190
+mem[31937] = 27019144
+mem[569] = 149095763
+mem[54809] = 2678
+mem[14355] = 15451
+mask = 10101X11X1000X1X100111011001X1101001
+mem[29525] = 27635
+mem[38648] = 286224
+mem[40257] = 33000302
+mem[2385] = 87334
+mask = 100011X1110000X1X0010X10X10001011011
+mem[10671] = 752653692
+mem[29096] = 28346
+mem[64943] = 5823968
+mem[8985] = 1725
+mem[14409] = 432068
+mask = 11101X11XX11X00011110X0111X11X001X10
+mem[35782] = 26162
+mem[18167] = 265539
+mem[53514] = 17777350
+mask = 0110111X111X00X111X100000111X0100XXX
+mem[11289] = 25199
+mem[21966] = 1577738
+mem[33100] = 7214029
+mem[14371] = 225814
+mask = 1110X111111000X011X11X1XX0XX0010X000
+mem[54809] = 164605380
+mem[38947] = 1624427
+mem[63150] = 221584
+mask = 11101111XX0110X0X01101X010XX101X1X00
+mem[28523] = 622707
+mem[8072] = 227741
+mem[6611] = 15393
+mem[2600] = 386986740
+mask = 110010X111010X10X1110001X11001110101
+mem[46256] = 1543619
+mem[58524] = 128793487
+mem[39996] = 2787
--- a/2020/14/prog.py
+++ b/2020/14/prog.py
@ -0,0 +1,69 @@
+import re
+
+def get_input(sample = False, sample_n = 1):
+    with open(f"sample_{sample_n}" if sample else 'input', 'r') as f:
+        return [line.strip() for line in f.readlines()]
+
+
+def parse_val_masks(mask: str):
+    mask_0 = 0
+    mask_1 = 0
+    for c in mask:
+        if c == "X":
+            mask_0 = (mask_0 << 1) + 1
+            mask_1 = mask_1 << 1
+        elif c == "0":
+            mask_0 = mask_0 << 1 
+            mask_1 = mask_1 << 1
+        elif c == "1":
+            mask_0 = (mask_0 << 1) + 1
+            mask_1 = (mask_1 << 1) + 1
+
+    return mask_0, mask_1
+
+def masked_value(value: int, masks: tuple):
+    return (value & masks[0]) | masks[1]
+
+def decode_memory_address(address: int, mask: str):
+    ret = {address}
+    for i, c in enumerate(mask):
+        shift_amount = len(mask) - 1 - i
+        if c in ['1', 'X']:
+            new_ret = set()
+            for addr in ret:
+                if c == '1':
+                    new_ret.add(addr | (1 << shift_amount))
+                elif c == 'X':
+                    new_ret.update((addr | (1 << shift_amount), addr & ~(1 << shift_amount)))
+            ret = new_ret
+    return ret
+
+
+
+def get_result(instructions: list, part = 1):
+    mem_re = re.compile(r'^mem\[(\d+)\] = (\d+)$')
+    mask_re = re.compile(r'^mask = ([X10]{36})$')
+    mem = {}
+    val_masks = (0, 0)
+    mem_masks = ""
+
+    for cmd in instructions:
+        if match := mem_re.match(cmd):
+            index, value = (int(x) for x in match.groups())
+
+            indexes = {index} if part == 1 else decode_memory_address(index, mem_mask)
+            for i in indexes:
+                mem[i] = masked_value(value, val_masks) if part == 1 else value
+
+        elif match := mask_re.match(cmd):
+            val_masks = parse_val_masks(*match.groups())
+            mem_mask = match.groups()[0]
+
+        else:
+            raise ValueError(f"The instruction `{cmd}` is not valid") 
+
+    return sum(mem.values())
+
+if __name__ == "__main__":
+    print(get_result(get_input(), part = 2))
+
--- a/2020/14/sample_1
+++ b/2020/14/sample_1
@ -0,0 +1,4 @@
+mask = XXXXXXXXXXXXXXXXXXXXXXXXXXXXX1XXXX0X
+mem[8] = 11
+mem[7] = 101
+mem[8] = 0
--- a/2020/14/sample_2
+++ b/2020/14/sample_2
@ -0,0 +1,4 @@
+mask = 000000000000000000000000000000X1001X
+mem[42] = 100
+mask = 00000000000000000000000000000000X0XX
+mem[26] = 1
--- a/2020/14/test.py
+++ b/2020/14/test.py
@ -0,0 +1,42 @@
+from prog import *
+import unittest
+
+class Methods(unittest.TestCase):
+    def test_parse_masks(self):
+        self.assertEqual(
+                parse_masks("XXXXXXXXXXXXXXXXXXXXXXXXXXXXX1XXXX0X"),
+                (
+                    0b111111111111111111111111111111111101,
+                    0b000000000000000000000000000001000000
+                    )
+                )
+
+        self.assertEqual(
+                parse_masks("XXXXXXXXX1XXXXXXXX1X0XXXXXXXX1XXXX0X"),
+                (
+                    0b111111111111111111110111111111111101,
+                    0b000000000100000000100000000001000000
+                    )
+                )
+
+        self.assertEqual(
+                parse_masks("XXXXX11XXXX1XX000XX0XXXXXXXXX1XXXX0X"),
+                (
+                    0b111111111111110001101111111111111101,
+                    0b000001100001000000000000000001000000
+                    )
+                )
+
+    def test_decode_memory(self):
+        mask = "000000000000000000000000000000X1001X"
+        self.assertEqual(decode_memory_address(42, mask), {26, 27, 58, 59})
+
+        mask = "00000000000000000000000000000000X0XX"
+        self.assertEqual(decode_memory_address(26, mask), {16, 17, 18, 19, 24, 25, 26, 27})
+
+class Result(unittest.TestCase):
+    def test_part1(self):
+        self.assertEqual(get_result(get_input(sample = True, sample_n = 1)), 165)
+
+    def test_part2(self):
+        self.assertEqual(get_result(get_input(sample = True, sample_n = 2), part = 2), 208)
--- a/2020/15/pycache/prog.cpython-39.pyc
+++ b/2020/15/pycache/prog.cpython-39.pyc
--- a/2020/15/pycache/test.cpython-39.pyc
+++ b/2020/15/pycache/test.cpython-39.pyc
--- a/2020/15/prog.py
+++ b/2020/15/prog.py
@ -0,0 +1,14 @@
+from yaml import dump
+def get_result(inp: list, part = 1):
+    last_pos = {n: i+1 for i, n in enumerate(inp[:-1])}
+    prev_item = inp[-1]
+    for i in range(len(inp), 2020 if part == 1 else 30_000_000):
+        cur_item = 0 if prev_item not in last_pos.keys() else i - last_pos[prev_item]
+        last_pos[prev_item] = i
+        prev_item = cur_item
+
+    return cur_item
+
+if __name__ == "__main__":
+    print(get_result([20, 9, 11, 0, 1, 2], part = 2))
+
--- a/2020/15/test.py
+++ b/2020/15/test.py
@ -0,0 +1,31 @@
+from prog import *
+import unittest
+
+class Methods(unittest.TestCase):
+    pass
+    
+class Result(unittest.TestCase):
+    def test_p1(self):
+        self.assertEqual(get_result([0, 3, 6]), 436)
+        self.assertEqual(get_result([1, 3, 2]), 1)
+        self.assertEqual(get_result([2, 1, 3]), 10)
+        self.assertEqual(get_result([1, 2, 3]), 27)
+        self.assertEqual(get_result([2, 3, 1]), 78)
+        self.assertEqual(get_result([3, 2, 1]), 438)
+        self.assertEqual(get_result([3, 1, 2]), 1836)
+
+        
+    def test_p2_1(self):
+        self.assertEqual(get_result([0, 3, 6], part = 2), 175594)
+    def test_p2_2(self):
+        self.assertEqual(get_result([1, 3, 2], part = 2), 2578)
+    def test_p2_3(self):
+        self.assertEqual(get_result([2, 1, 3], part = 2), 3544142)
+    def test_p2_4(self):
+        self.assertEqual(get_result([1, 2, 3], part = 2), 261214)
+    def test_p2_5(self):
+        self.assertEqual(get_result([2, 3, 1], part = 2), 6895259)
+    def test_p2_6(self):
+        self.assertEqual(get_result([3, 2, 1], part = 2), 18)
+    def test_p2_7(self):
+        self.assertEqual(get_result([3, 1, 2], part = 2), 362)
--- a/2020/16/pycache/prog.cpython-39.pyc
+++ b/2020/16/pycache/prog.cpython-39.pyc
--- a/2020/16/pycache/test.cpython-39.pyc
+++ b/2020/16/pycache/test.cpython-39.pyc
--- a/2020/16/input
+++ b/2020/16/input
@ -0,0 +1,266 @@
+departure location: 31-221 or 241-952
+departure station: 27-780 or 787-957
+departure platform: 34-405 or 411-970
+departure track: 41-672 or 689-963
+departure date: 26-827 or 843-970
+departure time: 38-283 or 297-963
+arrival location: 50-250 or 259-970
+arrival station: 35-878 or 884-950
+arrival platform: 49-746 or 772-955
+arrival track: 37-457 or 481-954
+class: 28-418 or 443-970
+duration: 32-722 or 728-970
+price: 41-519 or 525-966
+route: 50-606 or 628-974
+row: 46-92 or 111-967
+seat: 41-112 or 135-972
+train: 25-540 or 556-957
+type: 39-574 or 585-954
+wagon: 32-699 or 719-957
+zone: 49-71 or 83-951
+
+your ticket:
+61,151,137,191,59,163,89,83,71,179,67,149,197,167,181,173,53,139,193,157
+
+nearby tickets:
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--- a/2020/16/prog.py
+++ b/2020/16/prog.py
@ -0,0 +1,77 @@
+import re
+
+#################################################################################
+#                                                                               #
+#  DISCLAIMER: THE SOLUTION I FOUND THE THIS DAY IS HORRIBLE, I AIN'T PROUD OF  #
+#  IT AT ALL (IT WORKS THO)                                                     #
+#                                                                               #
+#################################################################################
+
+
+def get_input(sample = False, part = 1):
+    with open(f"sample_p{part}" if sample else "input", "r") as f:
+        ret = {}
+        data = f.read().split("\n\n")
+        ranges = {}
+        for line in data[0].split("\n"):
+            name, range = get_range(line)
+            ranges[name] = range
+
+        ret["ranges"] = ranges
+        ret["my ticket"] = [int(v) for v in data[1].split("\n")[1].split(",")]
+        ret["nearby tickets"] = [[int(v) for v in line.split(",")] for line in data[2].split("\n")[1:]]
+        return ret
+
+        
+def get_range(range_str: str):
+    range_re = re.compile(r'(.+): (\d+)-(\d+) or (\d+)-(\d+)')
+    name, min_1, max_1, min_2, max_2 = range_re.match(range_str).groups()
+    return name, [range(int(min_1), int(max_1) + 1), range(int(min_2), int(max_2) + 1)]
+
+
+def get_result(inp: dict, part = 1):
+    invalid_values = []
+    invalid_ticket_indices = set()
+    for i_ticket, ticket in enumerate(inp["nearby tickets"]):
+        for value in ticket:
+            is_value_valid = False
+            for r in inp["ranges"].values():
+                if value in r[0] or value in r[1]:
+                    is_value_valid = True
+                    break
+
+            if not is_value_valid:
+                invalid_values.append(int(value))
+                invalid_ticket_indices.add(i_ticket)
+            
+    if part == 1:
+        return sum(invalid_values)
+
+    valid_tickets = [ticket for i, ticket in enumerate(inp['nearby tickets']) if i not in invalid_ticket_indices]
+
+    range_to_index = {name: {i for i in range(len(valid_tickets[0]))} for name in inp["ranges"]}
+
+    for ticket in valid_tickets:
+        for i, value in enumerate(ticket):
+            for name, rng in inp["ranges"].items():
+                if not (value in rng[0] or value in rng[1]):
+                    range_to_index[name].discard(i)
+
+    # I'M SO SORRY FOR THIS WHILE LOOP, BUT I FOUND NO OTHER WAY TO "MUTUALLY EXCLUDE" EVERY SET OF INDICES FROM ONE ANOTHER... :/
+    while list(map(lambda x: len(x), range_to_index.values())) != [1]*len(range_to_index):
+        for name, indices in range_to_index.items():
+            if len(indices) == 1:
+                for i_name, i_indices in range_to_index.items():
+                    if name != i_name:
+                        range_to_index[i_name] = i_indices - indices
+
+    re_dep = re.compile(r'^departure ')
+    ret = 1 
+    for name, index in range_to_index.items():
+        if re_dep.match(name) != None:
+            ret *= inp["my ticket"][index.pop()]
+
+    return ret
+
+if __name__ == "__main__":
+    print(get_result(get_input(), part = 2))
--- a/2020/16/sample_p1
+++ b/2020/16/sample_p1
@ -0,0 +1,12 @@
+class: 1-3 or 5-7
+row: 6-11 or 33-44
+seat: 13-40 or 45-50
+
+your ticket:
+7,1,14
+
+nearby tickets:
+7,3,47
+40,4,50
+55,2,20
+38,6,12
--- a/2020/16/sample_p2
+++ b/2020/16/sample_p2
@ -0,0 +1,11 @@
+class: 0-1 or 4-19
+row: 0-5 or 8-19
+seat: 0-13 or 16-19
+
+your ticket:
+11,12,13
+
+nearby tickets:
+3,9,18
+15,1,5
+5,14,9
--- a/2020/16/test.py
+++ b/2020/16/test.py
@ -0,0 +1,15 @@
+from prog import *
+import unittest
+
+class Methods(unittest.TestCase):
+    pass
+
+class Result(unittest.TestCase):
+    def test_p1(self):
+        inp = get_input(sample = True)
+        self.assertEqual(get_result(self.inp), 71)
+
+    def test_p2(self):
+        inp = get_input(sample = True, part = 2)
+        self.assertEqual(get_result(inp, part = 2), 71)
+    
--- a/2020/17/pycache/prog.cpython-39.pyc
+++ b/2020/17/pycache/prog.cpython-39.pyc
--- a/2020/17/pycache/test.cpython-39.pyc
+++ b/2020/17/pycache/test.cpython-39.pyc
--- a/2020/17/input
+++ b/2020/17/input
@ -0,0 +1,9 @@
+#.##.....
+.#.#.##..
+###......
+....##.#.
+#....###.
+.#.#.#...
+.##...##.
+#..#.###.
+.........
--- a/2020/17/prog.py
+++ b/2020/17/prog.py
@ -0,0 +1,81 @@
+def get_input(sample = False):
+    with open('sample' if sample else 'input', 'r') as f:
+        ret = {0: {0: {}}}
+        lines = f.readlines()
+        for y, row in enumerate(lines, start = -len(lines) // 2):
+            ret[0][0][y] = {}
+            row = row.strip()
+            for x, cube in enumerate(row, start = -len(row) // 2):
+                ret[0][0][y][x] = cube
+        return ret
+
+def count_actives(space: dict):
+    ret = 0
+    for w in space.values():
+        for z in w.values():
+            for y in z.values():
+                for x in y.values():
+                    if x == "#":
+                        ret += 1
+    return ret
+
+def count_active_neighbours(space: dict, center_x, center_y, center_z, center_w):
+    ret = 0
+    for w in range(center_w - 1, center_w + 2):
+        if w not in space.keys(): continue
+        for z in range(center_z - 1, center_z + 2):
+            if z not in space[w].keys(): continue
+            for y in range(center_y - 1, center_y + 2): 
+                if y not in space[w][z].keys(): continue
+                for x in range(center_x - 1, center_x + 2):
+                    if x in space[w][z][y].keys() and (x, y, z, w) != (center_x, center_y, center_z, center_w) and space[w][z][y][x] == "#":
+                        ret += 1
+    return ret
+
+
+def print_space(space: dict):
+    for w, time in sorted(space.items()):
+        for z, plain in sorted(space[w].items()):
+            print(f"\t{z = } {w = }")
+            for y, row in sorted(plain.items()):
+                print(f"\t{''.join([value for key, value in sorted(row.items())])}")
+            print()
+
+
+
+
+def get_result(space_4d: list, part = 1):
+    for cycle in range(6):
+        next_space_4d = {}
+        for w in range(min(space_4d) - 1, max(space_4d) + 2) if part == 2 else [0]:
+            space = space_4d[w] if w in space_4d else {z_0 : {y_0: {x_0: '.' for x_0 in space_4d[0][0][0]} for y_0 in space_4d[0][0]} for z_0 in space_4d[0]}
+            next_space_4d[w] = {}
+            for z in range(min(space) - 1, max(space) + 2):
+                plain = space[z] if z in space else {y_0: {x_0: '.' for x_0 in space[0][0]} for y_0 in space[0]}
+                next_space_4d[w][z] = {}
+
+                for y in range(min(plain) - 1, max(plain) + 2):
+                    row = plain[y] if y in plain else {x_0: '.' for x_0 in space[0][0]}
+                    next_space_4d[w][z][y] = {}
+
+                    for x in range(min(row) - 1, max(row) + 2):
+                        cube = row[x] if x in row else '.'
+                        count = count_active_neighbours(space_4d, x, y, z, w)
+                        if cube == "#":
+                            if count in [2, 3]:
+                                next_cube = "#"
+                            else:
+                                next_cube = "."
+                        else:
+                            if count == 3:
+                                next_cube = "#"
+                            else:
+                                next_cube = "."
+                        next_space_4d[w][z][y][x] = next_cube
+        space_4d = next_space_4d
+
+    return count_actives(space_4d)
+
+
+if __name__ == "__main__":
+    print(get_result(get_input(), part = 2))
--- a/2020/17/sample
+++ b/2020/17/sample
@ -0,0 +1,3 @@
+.#.
+..#
+###
--- a/2020/17/test.py
+++ b/2020/17/test.py
@ -0,0 +1,16 @@
+from prog import *
+import unittest
+
+class Methods(unittest.TestCase):
+    pass
+
+class Result(unittest.TestCase):
+    def setUp(self):
+        self.inp = get_input(sample = True)
+
+    def test_p1(self):
+        self.assertEqual(get_result(self.inp), 112)
+
+    def test_p2(self):
+        self.assertEqual(get_result(self.inp, part = 2), 848)
+        
--- a/2020/18/pycache/prog.cpython-39.pyc
+++ b/2020/18/pycache/prog.cpython-39.pyc
--- a/2020/18/pycache/test.cpython-39.pyc
+++ b/2020/18/pycache/test.cpython-39.pyc
--- a/2020/18/input
+++ b/2020/18/input
@ -0,0 +1,375 @@
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+2 + 2 + (6 + (8 + 6 * 9 + 9))
+(7 + 6 + 3 * 3) * 8
+8 + (7 + 9 + 9 * 2 * 5 * 3) + 5 * 7 + 3
+5 + 8 * (5 + 2 * 7 + 4 * 4) + ((8 * 8 + 2 + 5 + 5) * 9 * 3 + 9 * 6 * (4 + 7)) * 2
+8 * 5 * 3 + 2 * (8 * 8 + 8 * 9) + (5 * (9 + 3 * 2 + 7 + 3) * 2)
+8 + 4 + 2 + 4 + 8 * 4
+9 + 2 * 8 + 8 * ((2 + 8 * 2) + 2 + (8 * 4 + 7 + 7 + 9)) + 9
+7 * (9 + 6 + 8 * 7) + 5 + (8 * 7 + (4 + 3 + 9 * 6) + 9 + (5 * 7 + 5 + 6 * 2 + 2) + 2) * 4
+7 + (9 * 7 + 5 * 9 + (4 + 9 * 2 + 8 * 8 + 3) * 9)
+(5 * 9) + 9 + (7 + 5 * 2 * 2) * (2 + (8 + 4 + 5 * 5 + 2)) * 6 + 6
+9 * (9 * 3) * 2 + (2 + 3 * 6 * (8 * 4) * 4) + (9 + 8 * 3 * (7 + 6 * 7 * 6 * 5) + 3)
+6 * 9 * (9 + 9 * 9 * (3 + 2 * 9 * 6 * 6) + (4 + 8) * 3) * 4 + 7
+(8 * 4 + 8 * 3 * 7) + ((9 + 9) + 3 * 3 * 5 + (3 * 7 * 3 * 9 + 4)) + 9 + 9 + ((9 * 6 * 7) * 9 + 8 + 9 * 8) + 9
+(3 * (3 * 2) + 5 + 9) * 6 + 5 * 3
+(5 + 5) + 5 * 8 * 3 * 3 * (9 * 9 * (4 + 5 + 9) + 4)
+3 * 8 + 9 + 8 + (6 + (9 * 3 + 7) + 9 * 3 * 6 * 2) + 6
+3 + 9 + 3 * 5
+5 * 7 + 4 * (2 * 7 * 7 * 5 * 7 + 9) * 4
+8 * (3 + (8 * 7 + 8 + 6 * 5 + 5) * 4)
+9 * 6 * (8 + 6) * 5 + 7 * 6
+(8 + 2 + (4 * 9 * 9 + 3) + 5) + 4
+(9 * 7 + 3 + 8) * 3 * 5 + 9 + (2 * 9 + 7 + 8 + 8 + 5)
+3 * (8 + 9) * 6
+4 + 6 + 6 + ((5 * 5 * 2 + 9 + 7) + 6 * (6 + 4 * 8 * 9 + 8) * 4 + 9 + (9 + 4 * 5)) + 7
+8 + 8 * (9 + 8 * (2 * 7)) + 6 * 9
+(3 + (8 + 2) + 8 + 8 * 6) * 5
+(9 * (2 + 3 + 3 + 5) * 8 * 7) + 6 + 9 + 6
+(8 * (7 * 5)) + 6 * 6 * ((3 * 8 + 7 + 2 * 7) + 6 * 3 + 6 + 9 * 9) * 4
+(6 * (4 + 3 * 3 * 9 * 3 + 6) + (7 * 7 + 6) + 8 * (3 + 2) * 5) + 4
+(5 + 4 * 3 * (8 * 6) * (3 + 6 + 3) + 7) + 8 + ((3 * 7) + 9 + (7 + 4)) * 3
+(9 * 5 * 4 * 6) * 6 * 2 + ((8 + 6 * 5) + 4 + 5) * 9
+(3 * 8 + 8) * 9 + (8 + 4 * 7 + 8 + 7 + (7 + 8))
+6 + ((8 + 9 + 9 * 9) + 2) * 5 + 7
+2 + (8 + (6 * 9 + 6 + 2 + 3 * 8) + 6 * 9 + 3) + 9 + 2
+6 + (5 + 3) * 3 + 9 * 3
+9 * ((9 + 7 * 2 + 5 * 7 + 2) * (9 * 5 + 6)) + ((9 * 7) + 4) * 3
+9 * (6 * 6 + (5 + 7 * 6) * (5 + 3) + 4 + 9) * 5
+(9 * 7 * 9) + 5 * 9 * 8
+7 * ((8 + 9 + 5 * 2 * 2) * 5 * 5 * 8 + 4) * (5 * 7) + 9 * (7 + (8 + 2))
+(3 * 6 * 6) + 7 + 2 + (9 * 2 * 4 + (5 * 8 + 8 * 6) + 8 + 6) * 9
+3 + (6 + 7 * 5 + 4 * 6) * 5 * 4 * 2 * ((3 + 3) * 9 + 9 * 5 * 4)
+5 * (5 + 2) * 6 + (4 * 6) + 4 + 9
+(6 + 9) * 2 * 2 + 2 + (3 + 9 * (3 * 7 + 6 + 7 + 9 * 2) + 9 * 5 * (9 + 2))
+9 + (2 + 3 * 8 * 3 + 8 + 8) + 8
+8 * (3 + 4 + 9) + 5 + (2 + 4 + 3 * 4)
+(2 + 6 + 4 * 9) * 9 * 3 * (5 + 5 * 9 + (6 * 5 + 7 * 6) * 8 + (7 + 7 * 8 * 8 + 8 + 6))
+6 * 6 * 6 + ((3 * 5 * 6 + 8 + 3 + 7) + 5 * (2 + 3 + 5 * 9 * 5) * 2) + (9 * (7 * 9 + 9) + (8 + 3 + 9 + 5 + 6) + 5 + 9) * 7
+((4 * 3 + 9 * 7 + 3 * 9) * 5) * 5 * 6 * 6 + 7
+((6 * 3 + 8 + 6) * 6 + 4 + (6 + 5 + 6 * 5 + 8 * 2) * 7 + 2) * 9 * 6
+9 + 5 * 2 * (8 + 8 * 9 + 7 * (4 * 8 + 2)) + 8 * 5
+(4 + 7 * 4 * 4) + 5 * 4 * 2
+(8 + 3 * 3 * 6 * 4 * 7) * 7 * 3 + 8
+3 * 8 + (5 + 7 * 7 + 6 * (4 * 6 * 6 * 9 * 6 + 5) * 2) * 7 + 6 * 7
+5 + 2 + (7 + 9 * 3 + 8 * (2 * 4 + 4 * 3 * 9)) * 5 * 9 + (5 * 7 + 6 * 2 + 5 + 9)
+9 * 3 * (6 * 7 * 7) * 2
+3 + 8 * (2 + 6 + (8 + 8 + 9) * (3 * 5 * 6 + 7 + 2) + 2 * 9) + 4 * 7
+4 + (7 + 9 * 8 * 7) * (9 + 7) * 7 + 6 * 3
+(5 + 4 * 4) + ((8 + 9 + 4 * 9 * 5) * (3 * 3) * 8 + (6 + 5 + 8 * 7)) * 9 + 8 * 8
+6 + (4 * 9 * 2 + 2 * 2 + 6) + (9 * 7 + (6 + 5)) * (7 * (2 + 5) * 9 + 7 + 5) * 4
+(2 + 4 * 7 * 7 + (2 * 7) + 8) + 5 * 6 * 9
+7 + 7 + (5 + 5) + 7 * 2
+4 * (9 * 5) * 5 * (8 + 4 + (4 + 3) + 3)
+4 * ((7 + 5) + 3 * 4) * 5 * 2 + 6 + 3
+(7 + 3 * 2 + (4 * 2 * 5 + 9 * 5) + (8 * 2 + 5 + 9 + 8) + 7) + 8 + (7 + 9 + (4 + 9) * (9 + 6 + 2 + 8) + (4 + 2 + 8 + 9)) + 3 * (9 * 7 * 3)
+5 * (6 * 6 * 8 + 6) * 4 + 9
+(4 + (7 * 7 + 2 + 8 * 3 * 3) + 9 + 4 + (9 * 2) + 6) + ((2 + 7 * 2) * 5 + 3) * 8 + 8
+2 * 5 * (6 * 6 + 4 + 5 * 2 + 9) + 5 * 7 + (5 + 8)
+9 * (3 * 9 + (8 + 5) + 6 + (6 * 7 * 9 + 3 + 8 * 4) * 9) + (6 + 3 + 9 + 9 * (5 * 3 + 8) * 8)
+(6 * 9 * (6 + 5 * 2 + 8 + 9 + 8) + 5 + 6) + 4
+(3 + 5 * 9) + (8 * 2 * 4 + 3 + 9 * 3) * 7
+((3 + 2 * 9 + 7 * 9) * (9 * 7 * 3 + 5 + 6 * 3) + 6 * 8 * (8 + 9 + 9)) * (7 + (7 * 3) * 9 * 3 + 5) * 5
+((9 * 7) * 2 + 5 + 4) + (2 + 5 * 5)
+(3 + 6 + 2 * 7) + 6 + 6
+9 * ((4 * 6 + 4 + 5 * 7 * 9) + 9 + 9) + 5
+6 * 8 * 4 + 9 + 4
+5 + (9 * 5) * 6 + (3 * 4 + 7 * 7 + 7) + 7
+(8 * 6 * 8 * 3 * 8 + 7) + 4 + 4 * (4 * 6 * (9 + 5 * 2) + 5) * (4 + 5 * 6 + (6 * 4 * 6 * 5) * 8 + (4 + 5 * 2))
+3 * 8 + 8
+5 * 8 * (9 + (8 + 2 + 4))
+9 + (2 * 5 * 9 + 2) + 3
+(2 + 6 + (3 * 6 + 2 * 4 + 4) * 3 * 7 + 6) * 6 * 6 + 6
+((9 + 3 * 7) + (2 + 8)) * ((2 * 3 + 3 + 4) * 8 + 5 + 9 + 3 * 9)
+(3 * 9 + 3 + 6 * 8 * 7) * 3 * 5 + ((6 + 8 + 4) + 8 * (7 * 4 + 6 + 5) * 3 * 9)
+9 * 4 + 7 + (8 + (4 + 6 * 6 * 7 + 9) * 7 + 4 * (5 + 7 + 7) + 2) * 4 * 5
+2 * 7 + ((6 + 4 + 3) + (8 * 8 * 7 + 2 + 4) + 3 * 9 * 9 + 7)
+4 + 6 * 2 + 8 + (6 * 9 * 6 + 6) * 9
+3 + 3 * 8 + 9 * (7 + (2 + 8 + 5 + 5) * 7 + 3 * 2) * (7 * 7 + 7)
+9 + 4 * 9 * 2 * (4 * 9)
+9 + 4 * 5 + (4 * (2 * 8 * 5 * 7 * 8) * (3 * 8) + 6) + 3 * 4
+7 + 3 * (8 + 7 * 9 * (2 + 9 + 4) * (3 + 5) + (7 * 9 * 2 * 8 + 9 + 8)) * (9 * (2 * 7 * 9) + (6 * 8 + 9 + 7) + 3 + (2 + 3 + 4) + (5 + 8 + 4 * 9 + 7))
+3 * 9 + 4 * (7 * (5 + 4 + 9 * 3 + 3 * 4) + 6 * 6)
+3 + (8 + 8 * 9) + 9 + 5 * (7 + 4 * 3 * (7 * 4 + 2 + 8 * 4))
+(8 * 2 * 4 * 6 + 4) * 5 * 9 * (8 * 5 * 5 + 7 + 8 + 5)
+2 + (5 * 2 + (2 * 8 * 3 * 2) * 5 * 5) + 4 + 9 + 2
+7 + (5 + 5 * 3)
+4 * 6 * (5 + 2 * 3 * (3 + 8 * 3)) + 9 * 4
+2 * 7 * (8 * (2 * 3 * 8 * 8 * 5) + 2 + 2 + 5) * 7
+2 + ((5 + 2 * 8 * 3 * 4 * 7) + 4 + 3 + 5 * 5 + (5 * 8 + 6))
+3 * 7 * ((9 + 8) * 8 * 3) + (9 * (8 + 8 + 2)) * 9 * 9
+5 + (5 * (7 + 8 * 2 * 9) * (7 + 5 + 2 + 5 + 4 + 2) * 4 * 7) + 2 + ((6 * 7 * 2 + 9) * 6) * 9
+6 * 6 + (2 + (6 + 4) + (4 * 8 + 2 + 6) + 8 * 3)
+2 * 3 + 5 + ((7 * 8 + 8 * 5 * 8 * 9) + 2 * 4 + 2 + 8)
+(8 + (9 * 9)) + (6 + 2 * 7)
+2 + 5 + 4 + 8 + 4
+8 + 2 + ((5 * 5 + 5) + (6 * 8 + 6 * 3) * 8) * 7 + 6
+9 * ((2 + 5) + 2 + 8 * (5 + 7 + 5 * 3) * 6) + 9
+9 + 6 + ((9 * 7 * 7) + 5 * 9 + 8 * (4 * 9 + 3 + 3) * 5) + 7 * 2
+(3 * 3 + 5 + 6 + 5 * 5) + 8 * 4 * 4 + 2
+7 * 2 + 3 + 9 * 4 + 4
+5 + (2 + 9) + 5 + 3 + 8 * 6
+9 * 3 + 5 + 3 * (6 * (4 * 8 + 6 * 9 * 9 + 6) * 7 + (9 * 2 * 3 + 7))
+7 * 8 + 3 + (7 + 3 + 9 + 7 * 2) + (9 + 6 * 3 * 3)
+((9 * 7) + 2) + 9 * (4 + 4)
+((9 + 5) * 2 + (2 + 4 * 4 * 3 + 9 * 9)) + (7 + (7 * 6 + 4) + (9 + 7) * 9) + 8 + 9
+4 + 7 * 3 + 2 * (7 + 2 * 8 + 9 * 3 * 3)
+5 + 3
+(2 + 3 * 5 * 6 * 2 * 2) + (8 * 8 + 3 * 3 + 7 * (7 + 3 + 9 * 8)) + 7 + 5
+(7 + 3 * 5) * 7
+4 * 6 + (6 + 7 + 9 * (3 + 4 * 4) + 3 + 2) * (6 + 8 * 9 * 6 * 5 + (2 * 5 * 8 + 8 + 5 * 2))
+8 * (7 + 5 * 8 * 7 + 6) * ((4 + 5) * 9 + 9 * 2 * 7) * 5 + 8
+6 + 8 * 5
+(8 * (7 * 4) + 5 * 9 * 9 + 3) * 7
+8 + 5 + 7 + (8 + (6 + 5) + 7 + (7 * 9 * 2 * 6 + 4) * 8) * 2
+((4 + 3 * 9 + 9) + 4 * (9 + 2 + 4 + 8 + 9) + 5 + 7 * 4) + 6 * 9
+9 + (9 * 8 * 3) * (8 * 6 * 7 * 8 * 6)
+5 * 7 * (9 * 3 + 6 + 8 + 8 + 5)
+2 + (2 + 7 * (5 * 7 * 3 + 2 * 7 * 8) + 7 + (5 + 8 * 5)) * 8 * 3 * 3 + ((6 * 5 * 8 + 8 + 9) + 6 * (8 + 3) * 6)
+9 * 5 * 9 * 8
+6 + 5 + 7 + 2 + (8 + (5 * 5 * 7 * 3 + 7 + 7) + 2 + 7)
+4 + 4 * 2 + 3 * 7 + 6
+4 + (5 + 3 + 2 * 8 * 5) + 2
+2 * 2 * 8 + (6 + 9 * 4 * 7 * (4 + 7 * 7 * 2) + 2) + 9
+4 * 7 * 8 + (3 * (9 * 2 + 4 * 4 * 5 * 5) + 5 * 2 * 7 + 7) + 8 + 5
+(8 + (7 + 9)) * 6
+9 + ((8 * 7 + 5 * 3) + 7 + (6 * 4 * 6 + 8)) * 5
+3 + (6 + 5 * 7 + 4 * 2) * (3 * 3 + 7 * 6 + 4 * (6 + 7 * 3)) * (4 + 8 * 9)
+7 * (7 + (4 * 3) + 4 + 5 * 4)
+8 * 2 * (9 * 7 + 5 + 8) + 4 * 8 + (3 * 3)
+7 * (3 + 2 * 3) + ((2 * 8) * 4) * 8
+((8 + 3 + 4 + 7 * 5 * 6) + (3 + 2) * (8 + 6 * 9 * 4 + 9 + 2)) + 3 + 8 * (8 + (4 + 9 * 2 + 8 + 6 + 9) * 9 * 3 * 3 + 3) + 9
+4 * (7 * 4 * 8 * 5) + 7 * 8 * (2 * 4 * 5 * 4)
+(3 + 8 + 6 * 6 * 4) * (4 * 6 + 8 + 3 * 6) * 5
+2 + (3 + (6 + 9 + 6 * 3) * 7 + (9 + 7 + 8)) + 9 * 7
+9 + 7 * (4 * 8 + 3 * 2 * 9 + 4) + ((6 * 8) + 3 + 7 + 7 * 8 * (9 + 5)) * 9 + ((3 * 9 * 8 * 8) + (5 + 2) + 2 * 4 * 3 + 8)
+6 * 3 + 3 * (8 * 7 + (2 * 8 + 4 + 6 + 5 * 6) + 3 + 3 * (9 * 9 * 8 + 2 * 5)) + (3 + (3 + 5 + 6) + 8 + 9 * 4) + 8
+9 * ((7 * 6) * 9 * 2) * ((8 * 9 * 3 + 8 * 2) * 6 + 8 + 9 * 5 + 3) + (5 * 4) * (7 + 4) * 7
+(4 * 7 + 8 * 9) + (7 + (3 + 9 * 2 * 9 * 4) * 9 * 3 * 4 * 7) * 4 * 6 + 2
+6 + 9 * 6 + (2 + 9 * 4) * 8
+3 * (6 * 5 + (7 * 6 * 5 * 8) + 7 * 5 * 4) + (3 * (6 * 5 + 7 * 9) + (4 * 9 + 2 * 3) * 7 * 8 * 3) + 9 + 5 + 9
+3 + (2 + (6 * 3 * 8 + 3) + 4) * (8 * 9) * 7 + 6
+(2 * (7 * 9)) * 6 + 7 * 2 + 9 * 4
+((5 + 4 * 2) + (3 * 2 * 6 + 3 + 5 * 5) * 4 + (2 + 5 * 9 * 8 + 3 * 5) * (7 * 2 * 8 * 2) + (5 * 4)) + 7 * 8 + 9
+(8 + 4 + (5 * 4 * 6) * 2 * 8) * (6 + (9 * 4 * 5) * 7 * 5 * 4) + 3 + ((2 + 2) + 7 + 5 * 7 * 2 + 4) * 5 + (9 * 3 * (9 + 3 * 4 * 8 * 7 + 9))
+6 * 7 * 3 * (7 * 2 + (6 * 4 * 5) * (5 * 3 * 8 + 8 + 3 + 9)) * (7 * 9 + 7 * 5)
+4 + 2 + (3 * (9 + 7) * 6)
+(8 + (8 * 4)) + (7 + 3 * 5) + 4 + 4 + 7
+(7 + 7 * 4 * 4 * 4) * 4 + 3
--- a/2020/18/prog.py
+++ b/2020/18/prog.py
@ -0,0 +1,55 @@
+import re
+calc_re = re.compile(r'(\d+) ([+*]) (\d+)')
+
+def get_input(sample = False, part = 1):
+    with open(f'sample_p{part}' if sample else 'input', 'r') as f:
+        return [line.strip() for line in f.readlines()]
+
+def find_closing_bracket_starting_at(index: int, string: str):
+    open_br = 0
+    for i, c in enumerate(string[index:], start=index):
+        if c == "(":
+            open_br += 1
+        elif c == ")":
+            open_br -= 1
+        if open_br == 0:
+            return i
+
+def evaluate_advanced(calc: str):
+    starting_bracket = calc.find("(")
+    if starting_bracket != -1:
+        end_bracket = find_closing_bracket_starting_at(starting_bracket, calc)
+        return evaluate_advanced(calc[:starting_bracket] + str(evaluate_advanced(calc[starting_bracket+1:end_bracket])) + calc[end_bracket+1:])
+    
+    additions = [external_group for external_group, internal_group in re.findall(r'((\d+ \+ )+\d+)', calc)]
+    for add in additions:
+        calc = calc.replace(add, str(eval(add)), 1)
+    return eval(calc)
+    
+
+
+def evaluate_l2r(calc: str):
+    starting_bracket = calc.find("(")
+    if starting_bracket != -1:
+        end_bracket = find_closing_bracket_starting_at(starting_bracket, calc)
+        return evaluate_l2r(calc[:starting_bracket] + str(evaluate_l2r(calc[starting_bracket+1:end_bracket])) + calc[end_bracket+1:])
+
+    match = calc_re.match(calc)
+
+    first, operation, second = match.groups()
+    first, second = int(first), int(second)
+
+    rest = calc[match.end():]
+    if operation == "+":
+        new = first + second
+    elif operation == "*":
+        new = first * second
+    
+    return new if len(rest) == 0 else evaluate_l2r(str(new) + rest)
+
+
+def get_result(inp: list, part = 1):
+    return sum((evaluate_l2r(op) if part == 1 else evaluate_advanced(op)) for op in inp)
+
+if __name__ == "__main__":
+    print(get_result(get_input(), part = 2))
--- a/2020/18/sample_p1
+++ b/2020/18/sample_p1
@ -0,0 +1,4 @@
+2 * 3 + (4 * 5)
+5 + (8 * 3 + 9 + 3 * 4 * 3)
+5 * 9 * (7 * 3 * 3 + 9 * 3 + (8 + 6 * 4))
+((2 + 4 * 9) * (6 + 9 * 8 + 6) + 6) + 2 + 4 * 2
--- a/2020/18/sample_p2
+++ b/2020/18/sample_p2
@ -0,0 +1,5 @@
+1 + (2 * 3) + (4 * (5 + 6))
+2 * 3 + (4 * 5)
+5 + (8 * 3 + 9 + 3 * 4 * 3)
+5 * 9 * (7 * 3 * 3 + 9 * 3 + (8 + 6 * 4))
+((2 + 4 * 9) * (6 + 9 * 8 + 6) + 6) + 2 + 4 * 2
--- a/2020/18/test.py
+++ b/2020/18/test.py
@ -0,0 +1,54 @@
+from prog import *
+import unittest
+
+class Methods(unittest.TestCase):
+    def test_bracket(self):
+        self.assertEqual(find_closing_bracket_starting_at(4, "1 + (1 + 2)"), 10)
+        self.assertEqual(find_closing_bracket_starting_at(0, "(1 + 2)"), 6)
+        self.assertEqual(find_closing_bracket_starting_at(1, "((1 + 2) + 2)"), 7)
+        self.assertEqual(find_closing_bracket_starting_at(0, "((1 + 2) + 2)"), 12)
+
+    def test_evaluate_l2r_simple(self):
+        self.assertEqual(evaluate_l2r("1 + 1"), 2)
+        self.assertEqual(evaluate_l2r("51 + 24"), 75)
+        self.assertEqual(evaluate_l2r("223 * 23"), 5129)
+
+    def test_evaluate_adv_simple(self):
+        self.assertEqual(evaluate_advanced("1 + 1"), 2)
+        self.assertEqual(evaluate_advanced("51 + 24"), 75)
+        self.assertEqual(evaluate_advanced("223 * 23"), 5129)
+
+    def test_evaluate_l2r_medium(self):
+        self.assertEqual(evaluate_l2r("1 + 1 + 1"), 3)
+        self.assertEqual(evaluate_l2r("12 + 278 + 3"), 293)
+        self.assertEqual(evaluate_l2r("22 * 2 + 1"), 45)
+        self.assertEqual(evaluate_l2r("3 + 2 * 10"), 50)
+
+    def test_evaluate_adv_medium(self):
+        self.assertEqual(evaluate_advanced("11 + 12 + 13 * 21 + 22 * 31 + 32 + 33 + 34"), 201240)
+        self.assertEqual(evaluate_advanced("12 + 278 + 3"), 293)
+        self.assertEqual(evaluate_advanced("22 * 2 + 1"), 66)
+        self.assertEqual(evaluate_advanced("3 + 2 * 10"), 50)
+
+    def test_evaluate_l2r_hard(self):
+        self.assertEqual(evaluate_l2r("2 * 3 + (4 * 5)"), 26)
+        self.assertEqual(evaluate_l2r("5 + (8 * 3 + 9 + 3 * 4 * 3)"), 437)
+        self.assertEqual(evaluate_l2r("5 * 9 * (7 * 3 * 3 + 9 * 3 + (8 + 6 * 4))"), 12240)
+        self.assertEqual(evaluate_l2r("((2 + 4 * 9) * (6 + 9 * 8 + 6) + 6) + 2 + 4 * 2"), 13632)
+
+    def test_evaluate_adv_hard(self):
+        self.assertEqual(evaluate_advanced("3 * 3 + (1 * 1 * 1)"), 12)
+        self.assertEqual(evaluate_advanced("1 + (2 * 3) + (4 * (5 + 6))"), 51)
+        self.assertEqual(evaluate_advanced("2 * 3 + (4 * 5)"), 46)
+        self.assertEqual(evaluate_advanced("5 + (8 * 3 + 9 + 3 * 4 * 3)"), 1445)
+        self.assertEqual(evaluate_advanced("5 * 9 * (7 * 3 * 3 + 9 * 3 + (8 + 6 * 4))"), 669060)
+        self.assertEqual(evaluate_advanced("((2 + 4 * 9) * (6 + 9 * 8 + 6) + 6) + 2 + 4 * 2"), 23340)
+
+class Result(unittest.TestCase):
+    def test_p1(self):
+        self.assertEqual(get_result(get_input(sample = True)), 26335)
+
+    def test_p2(self):
+        self.assertEqual(get_result(get_input(sample = True, part = 2), part = 2), 693942)
+        
+
--- a/2020/2/input
+++ b/2020/2/input
--- a/2020/2/prog.py
+++ b/2020/2/prog.py
@ -0,0 +1,56 @@
+def get_file_input(filename: str):
+    ret = set()
+    with open(filename, "r") as f:
+        for line in f.readlines():
+            rule, *pwd = line.split(":")
+            pwd = "".join(pwd).strip()
+            ret.add((pwd, rule))
+    return ret
+
+def main(use_sample_input = True):
+    sample = {
+             ("abcde", "1-3 a"),
+             ("cdefg", "1-3 b"),
+             ("ccccccccc", "2-9 c"),
+            }
+    expected_result = 2
+
+    res = get_result(sample if use_sample_input else get_file_input("input"))
+
+    if use_sample_input:
+        return f"{res} {res==expected_result}"
+    else:
+        return res
+
+def check_n_chars(pwd: str, char: str, n_min: int, n_max: int) -> bool: # part 1
+    n = 0 
+    for c in pwd:
+        if c == char:
+            n += 1
+    return n_min <= n and n <= n_max
+
+def check_pos_chars(pwd:str, char: str, pos1: int, pos2: int) -> bool: # part 2
+    return (pwd[pos1] == char) != (pwd[pos2] == char)
+
+
+def is_pwd_ok(pwd: str, rule: str) -> bool:
+    *delimiters, char = rule.split(" ")
+    n_min, n_max = "".join(delimiters).split("-")
+    n_min = int(n_min)
+    n_max = int(n_max)
+
+    return check_pos_chars(pwd, char, n_min - 1, n_max - 1)
+
+
+def get_result(data: dict) -> int:
+    ret = 0
+    for pwd, rule in data:
+        b = is_pwd_ok(pwd, rule)
+        ret += 1 if b else 0
+
+    return ret
+
+    
+
+print(main(use_sample_input = False))
+
--- a/2020/3/input
+++ b/2020/3/input
@ -0,0 +1,323 @@
+.............#...#....#.....##.
+.#...##.........#.#.........#.#
+.....##......#.......#.........
+.......#...........#.#.........
+#...........#...#..#.#......#..
+.........##....#.#...#.........
+.....#.........#.#...........#.
+....#...............##....##...
+#.#.............#..#.......#.#.
+...#...........................
+......#..#....#.............#..
+........#......#.......#.......
+....#.....#..#.#...#.........#.
+..#.#.......#.##...#....#.....#
+...........#.........#..#......
+#...........#.#..#...#.#.#....#
+........#......................
+....#.#.....#....#.......#..#..
+.............................#.
+....##..........#.....##......#
+......#.....................#..
+..#.....##.......#.............
+....#.#..............#.#.......
+..#.#........#.....#..##.......
+.....#...##.........##....#.#..
+.#....#..#..#...........#......
+.............#.....##........#.
+..#....#............#.........#
+###..........#........#.......#
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+..........#.#..#....#.....#....
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+.....#...#..........###....#.#.
+......#.....##............#...#
+.......#..........#.#..#...#..#
+#...#..#...........#..##..#....
+.#......#.......##.....#..#....
+...#..#....#.......##......#...
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+.....#........#................
+......#........#....#..........
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+##..............#......#..#.#..
+.........##....#........#..#.#.
+.......#.##.#........#........#
+.....###..#..#...........#....#
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--- a/2020/3/prog.py
+++ b/2020/3/prog.py
@ -0,0 +1,69 @@
+def get_file_input(filename: str):
+    ret = []
+    with open(filename, "r") as f:
+        for line in f.readlines():
+            ret.append(line.strip())
+    return ret
+
+def main(use_sample_input = True, part = 1): 
+    sample = [ 
+            "..##.......",
+            "#...#...#..",
+            ".#....#..#.",
+            "..#.#...#.#",
+            ".#...##..#.",
+            "..#.##.....",
+            ".#.#.#....#",
+            ".#........#",
+            "#.##...#...",
+            "#...##....#",
+            ".#..#...#.#"
+            ]
+    
+    s = sample if use_sample_input else get_file_input("input")
+
+    if part == 1:
+        expected_result = 7
+        res = get_result(s, 3, 1)
+    else:
+        expected_result = 336
+        slopes = {
+                (1, 1),
+                (3, 1),
+                (5, 1),
+                (7, 1),
+                (1, 2)
+                }
+
+        tmp = []
+        for slope in slopes:
+            tmp.append(get_result(s, *slope))
+
+        res = mult_all(*tmp)
+
+    if use_sample_input:
+        return f"{res} {res==expected_result}".upper()
+    else:
+        return res
+
+def mult_all(*ns: int):
+    ret = 1
+    for n in ns:
+        ret *= n
+    return ret
+
+def get_result(l: list, inc_x: int, inc_y: int):
+    ret = 0
+    x = 0
+    y = 0
+    while y < len(l):
+        if l[y][x] == "#":
+            ret += 1
+        x += inc_x
+        x %= len(l[0])
+        y += inc_y
+    return ret
+
+print(main(use_sample_input = False, part = 2))
+
+
--- a/2020/4/pycache/prog.cpython-38.pyc
+++ b/2020/4/pycache/prog.cpython-38.pyc
--- a/2020/4/input
+++ b/2020/4/input
--- a/2020/4/prog.py
+++ b/2020/4/prog.py
@ -0,0 +1,81 @@
+import re
+
+def extract_passports(passports: list):
+    ret = []
+    kv_re = re.compile(r'(\w+):(#?\w+)')
+
+    for passport in passports:
+        dic = {}
+        for key, val in kv_re.findall(passport):
+            dic[key] = val
+        ret.append(dic)
+            
+    return ret
+
+
+def get_input(sample = False):
+    with open("sample" if sample else "input", "r") as f:
+        content = f.read()
+        passports = content.split("\n\n")
+        return extract_passports(passports)
+
+def is_passport_valid_1(passport: dict):
+    fields = {"byr", "iyr", "eyr", "hgt", "hcl", "ecl", "pid"}
+    keys = set(passport.keys())
+    return keys == fields or keys == fields | {"cid"}
+
+between = lambda m1, x, m2: int(m1) <= int(x) and int(x) <= int(m2);
+
+def is_height_valid(height: str):
+    h_re = re.compile(r'^(\d+)(cm|in)$')
+    if h_re.match(height) == None: return False
+
+    number, measure = h_re.findall(height)[0]
+
+    return (measure == "cm" and between(150, number, 193)) or (measure == "in" and between(59, number, 76))
+
+
+def is_passport_valid_2(passport: dict):
+    is_four_digits = lambda x: re.match(r'^\d{4}$', x) != None
+
+    rules = {"byr": lambda x: is_four_digits(x) and between(1920, x, 2002),
+            "iyr": lambda x: is_four_digits(x) and between(2010, x, 2020),
+            "eyr": lambda x: is_four_digits(x) and between(2020, x, 2030),
+            "hgt": is_height_valid,
+            "hcl": lambda x: re.match(r'^#[a-f0-9]{6}$', x) != None,
+            "ecl": lambda x: x in ["amb", "blu", "brn", "gry", "grn", "hzl", "oth"],
+            "pid": lambda x: re.match(r'^\d{9}$', x) != None,
+            "cid": lambda x: True} 
+
+    #  try:
+    #      print(passport["hcl"], rules["hcl"](passport["hcl"]))
+    #  except KeyError as e:
+    #      pass
+
+    for key, val in passport.items():
+        if not rules[key](val):
+            return False
+    return True
+
+def get_result(passports: list, part = 1):
+    ret = 0
+    print(f"{len(passports)=}")
+    for p in passports:
+        if (part == 1 and is_passport_valid_1(p)) or (part == 2 and is_passport_valid_2(p) and is_passport_valid_1(p)):
+            ret += 1
+    return ret
+
+
+def main(sample = False, part = 1):
+    inp = get_input(sample = sample)
+    res = get_result(inp, part = part)
+
+    if sample:
+        expected = 2 if part == 2 else 0
+        print(f"{res=}")
+        print(res == expected)
+    else:
+        print(res)
+
+    
+main(sample = False, part = 2)
--- a/2020/4/sample
+++ b/2020/4/sample
@ -0,0 +1,13 @@
+ecl:gry pid:860033327 eyr:2020 hcl:#fffffd
+byr:1937 iyr:2017 cid:147 hgt:183cm
+
+iyr:2013 ecl:amb cid:350 eyr:2023 pid:028048884
+hcl:#cfa07d byr:1929
+
+hcl:#ae17e1 iyr:2013
+eyr:2024
+ecl:brn pid:760753108 byr:1931
+hgt:179cm
+
+hcl:#cfa07d eyr:2025 pid:166559648
+iyr:2011 ecl:brn hgt:59in
--- a/2020/4/test.py
+++ b/2020/4/test.py
@ -0,0 +1,50 @@
+from prog import get_input
+
+expected = [
+        {
+            'ecl' : 'gry',
+            'pid' : '860033327',
+            'eyr' : '2020',
+            'hcl' : '#fffffd',
+            'byr' : '1937',
+            'iyr' : '2017',
+            'cid' : '147',
+            'hgt' : '183cm',
+            },
+
+        {
+            'iyr' : '2013',
+            'ecl' : 'amb',
+            'cid' : '350',
+            'eyr' : '2023',
+            'pid' : '028048884',
+            'hcl' : '#cfa07d',
+            'byr' : '1929',
+            },
+
+        {
+            'hcl' : '#ae17e1',
+            'iyr' : '2013',
+            'eyr' : '2024',
+            'ecl' : 'brn',
+            'pid' : '760753108',
+            'byr' : '1931',
+            'hgt' : '179cm',
+            },
+
+        {
+            'hcl' : '#cfa07d',
+            'eyr' : '2025',
+            'pid' : '166559648',
+            'iyr' : '2011',
+            'ecl' : 'brn',
+            'hgt' : '59in',
+            },
+        ]
+
+out = get_input(sample = True)
+for o, e in zip(out, expected):
+    print(o)
+    print(e)
+
+print(out == expected)
--- a/2020/5/pycache/prog.cpython-38.pyc
+++ b/2020/5/pycache/prog.cpython-38.pyc
--- a/2020/5/pycache/test.cpython-38.pyc
+++ b/2020/5/pycache/test.cpython-38.pyc
--- a/2020/5/input.prod
+++ b/2020/5/input.prod
@ -0,0 +1,824 @@
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--- a/2020/5/prog.py
+++ b/2020/5/prog.py
@ -0,0 +1,47 @@
+def get_input(sample = False):
+    filename = "sample" if sample else "input"
+    with open(filename + ".prod", "r") as f:
+        return [line.strip() for line in f.readlines()]
+
+def char_to_bin(char: str):
+    if char not in ["F", "B", "L", "R"]:
+        raise ValueError(f"Character `{char=}` cannot be transformed into binary")
+    return 0 if char == "F" or char == "L" else 1
+
+def seat_to_bin(seat: str):
+    if len(seat) == 1:
+        return char_to_bin(seat)
+    return char_to_bin(seat[0])*2**(len(seat)-1) + seat_to_bin(seat[1:])
+
+def seats_to_binary_list(seats: list):
+    return [seat_to_bin(seat) for seat in seats]
+
+
+def get_result(seats: list, part = 1):
+    if part == 1:
+        return max(seats)
+    else:
+        candidates = []
+        seats.sort()
+
+        prev = seats[0]
+        for i in range(1, len(seats)):
+            next = seats[i]
+            if prev + 2 == next:
+                candidates.append(prev + 1)
+            prev = next
+        return candidates
+
+
+    
+
+def main(sample = False, part = 1):
+    inp = seats_to_binary_list(
+            get_input(sample = sample)
+            )
+    return get_result(inp, part=part) 
+
+print(main(part = 2))
+
+
+
--- a/2020/5/sample.prod
+++ b/2020/5/sample.prod
@ -0,0 +1,3 @@
+BFFFBBFRRR
+FFFBBBFRRR
+BBFFBBFRLL
--- a/2020/5/test.py
+++ b/2020/5/test.py
@ -0,0 +1,26 @@
+from prog import seat_to_bin
+
+seats = ["FFFF", # 0000 = 0
+        "FFFB", # 0001 = 1
+        "FFBF", # 0010 = 2
+        "FFBB", # 0011 = 3
+        "FBFF", # 0100 = 4
+        "FBFB", # 0101 = 5
+        "FBBF", # 0110 = 6
+        "FBBB", # 0111 = 7
+        "BFFF", # 1000 = 8
+        "BFFB", # 1001 = 10
+        "BFBF", # 1010 = 11
+        "BFBB", # 1011 = 12
+        "BBFF", # 1100 = 13
+        "BBFB", # 1101 = 14
+        "BBBF", # 1110 = 15
+        "BBBB", # 1111 = 16
+]
+
+expected = list(range(17))
+
+for v, e in zip(seats, expected):
+    actual = seat_to_bin(v)
+    if actual != e:
+        print(v, actual, e)
--- a/2020/6/pycache/prog.cpython-38.pyc
+++ b/2020/6/pycache/prog.cpython-38.pyc
--- a/2020/6/input
+++ b/2020/6/input
--- a/2020/6/prog.py
+++ b/2020/6/prog.py
@ -0,0 +1,61 @@
+def get_input(sample = False):
+    ret = []
+    with open("sample" if sample else "input", "r") as f:
+       group = [] 
+       for line in f.readlines():
+           if line == "\n": # empty line
+               ret.append(group)
+               group = []
+           else:
+               group.append(line.strip())
+       ret.append(group) # add last group
+       return ret
+
+def list_of_string_to_list(s: set):
+    ret = []
+    for string in s:
+        ret += list(string)
+    return ret
+
+def grouped_answers(answers: list):
+    ret = []
+    start_i = 0
+    prev = answers[start_i]
+    for cur_i in range(1, len(answers)):
+        cur = answers[cur_i]
+        if prev != cur:
+            ret.append(answers[start_i:cur_i])
+            start_i = cur_i
+        prev = cur
+    ret.append(answers[start_i:]) # add last answer
+    return ret
+
+def list_of_string_to_set(s: set):
+    ret = set()
+    for string in s:
+        ret |= set(string)
+    return ret
+
+def get_result(inp: list, part = 1):
+    ret = 0
+    for group in inp:
+        if part == 1:
+            ret += len(list_of_string_to_set(group))
+        else:
+            group_len = len(group)
+            splitted_answers = list_of_string_to_list(group)
+            splitted_answers.sort()
+            ga = grouped_answers(splitted_answers)
+            ret += sum(map(lambda x: int(len(x) == group_len), ga))
+
+
+    return ret
+
+
+
+
+if __name__ == "__main__":
+    print(get_result(get_input(), part = 2))
+
+
+
--- a/2020/6/sample
+++ b/2020/6/sample
@ -0,0 +1,15 @@
+abc
+
+a
+b
+c
+
+ab
+ac
+
+a
+a
+a
+a
+
+b
--- a/2020/6/test.py
+++ b/2020/6/test.py
@ -0,0 +1,23 @@
+from prog import *
+
+inp = get_input(sample = True)
+
+expected_inp = [
+        ["abc"],
+
+        ["a", "b", "c"],
+
+        ["ab", "ac"],
+
+        ["a", "a", "a", "a"],
+
+        ["b"]
+        ]
+expected_result_1 = 11
+expected_result_2 = 6
+
+print(inp == expected_inp)
+
+print(get_result(inp) == expected_result_1)
+
+print(get_result(inp, part = 2) == expected_result_2)
--- a/2020/7/pycache/prog.cpython-38.pyc
+++ b/2020/7/pycache/prog.cpython-38.pyc
--- a/2020/7/input
+++ b/2020/7/input
@ -0,0 +1,594 @@
+dull silver bags contain 2 striped magenta bags, 2 dark coral bags, 1 bright orange bag, 4 plaid blue bags.
+dark plum bags contain 3 wavy teal bags.
+wavy turquoise bags contain 3 bright salmon bags.
+mirrored gold bags contain 3 wavy brown bags, 5 posh beige bags, 3 light crimson bags, 3 vibrant salmon bags.
+drab green bags contain 4 dull white bags, 1 posh indigo bag.
+faded lime bags contain 1 dim magenta bag, 1 wavy salmon bag, 4 dull purple bags.
+mirrored blue bags contain 5 bright orange bags, 1 muted black bag, 2 muted brown bags, 2 vibrant gold bags.
+faded crimson bags contain 4 wavy teal bags, 4 mirrored fuchsia bags, 3 plaid white bags.
+faded magenta bags contain 2 clear orange bags, 5 dull green bags, 2 pale white bags.
+pale red bags contain 5 shiny gold bags, 4 dull gold bags, 2 drab black bags.
+dark coral bags contain 1 light turquoise bag.
+faded chartreuse bags contain 4 shiny brown bags, 4 mirrored beige bags, 4 clear purple bags.
+muted coral bags contain 4 pale coral bags, 4 plaid brown bags.
+bright teal bags contain 5 striped blue bags, 4 faded orange bags, 2 faded crimson bags.
+wavy green bags contain 5 dim chartreuse bags.
+clear white bags contain 2 mirrored fuchsia bags.
+clear aqua bags contain 1 faded beige bag.
+vibrant yellow bags contain 5 posh brown bags.
+pale lavender bags contain 1 striped beige bag, 2 striped cyan bags.
+mirrored lime bags contain 3 bright orange bags.
+faded tan bags contain 2 drab beige bags.
+dark indigo bags contain 1 dark brown bag, 5 shiny beige bags, 1 vibrant indigo bag.
+drab teal bags contain 2 vibrant fuchsia bags, 3 muted green bags, 5 dotted magenta bags, 2 shiny lavender bags.
+shiny aqua bags contain 1 shiny gold bag, 4 clear white bags, 4 faded gold bags.
+dull bronze bags contain 4 vibrant teal bags, 1 vibrant violet bag.
+dark aqua bags contain 4 posh white bags.
+dim coral bags contain 2 light yellow bags.
+faded salmon bags contain 5 muted brown bags, 2 dotted red bags, 3 drab yellow bags, 4 dark red bags.
+bright lavender bags contain 5 wavy maroon bags, 5 light brown bags, 5 bright silver bags, 1 dark gray bag.
+mirrored cyan bags contain 4 dotted cyan bags, 5 striped orange bags, 1 vibrant gold bag.
+drab aqua bags contain 3 striped black bags, 4 dark salmon bags, 1 drab white bag, 4 faded crimson bags.
+striped purple bags contain 5 faded yellow bags, 2 faded brown bags.
+drab fuchsia bags contain 4 vibrant violet bags, 5 mirrored yellow bags.
+shiny red bags contain 3 faded cyan bags, 1 dull beige bag, 1 shiny blue bag, 5 dull cyan bags.
+mirrored teal bags contain 4 clear brown bags, 5 light bronze bags, 3 light teal bags, 2 pale tomato bags.
+dotted orange bags contain 3 dull white bags, 2 wavy blue bags.
+dotted lavender bags contain 1 vibrant aqua bag, 4 shiny magenta bags, 3 dull plum bags.
+pale crimson bags contain 4 muted cyan bags, 1 posh brown bag, 3 light magenta bags.
+shiny black bags contain 4 vibrant chartreuse bags, 1 mirrored yellow bag, 3 posh brown bags, 5 vibrant violet bags.
+clear bronze bags contain 5 dull violet bags, 3 pale plum bags.
+striped lavender bags contain 1 dark plum bag, 2 striped yellow bags.
+plaid indigo bags contain 2 plaid chartreuse bags.
+shiny teal bags contain 4 wavy gray bags, 4 drab teal bags, 1 dark silver bag.
+dull turquoise bags contain 1 wavy gray bag.
+striped brown bags contain 1 striped olive bag, 1 wavy olive bag, 5 posh brown bags.
+dotted magenta bags contain 4 drab silver bags, 3 light olive bags, 1 bright tan bag, 4 dull gold bags.
+plaid yellow bags contain 5 drab black bags, 1 wavy lavender bag, 1 drab silver bag.
+muted blue bags contain 5 posh aqua bags.
+shiny olive bags contain 4 dark salmon bags, 1 faded gold bag, 3 drab chartreuse bags, 4 dotted yellow bags.
+vibrant lime bags contain 4 shiny aqua bags, 1 bright maroon bag, 4 striped orange bags.
+dim crimson bags contain 5 faded crimson bags.
+vibrant gray bags contain 1 mirrored coral bag, 5 wavy beige bags, 3 drab turquoise bags.
+posh chartreuse bags contain 3 light plum bags, 2 pale green bags, 5 drab white bags.
+striped beige bags contain 5 dull red bags, 5 drab salmon bags, 3 vibrant salmon bags.
+dotted tan bags contain 4 wavy crimson bags, 4 shiny orange bags, 1 drab turquoise bag.
+vibrant aqua bags contain 1 vibrant gray bag, 5 light violet bags, 3 dim yellow bags.
+faded turquoise bags contain 2 faded yellow bags, 4 mirrored coral bags.
+mirrored purple bags contain 3 pale orange bags.
+dim white bags contain 1 drab turquoise bag.
+bright purple bags contain 5 muted chartreuse bags, 1 dotted yellow bag, 3 bright salmon bags.
+drab red bags contain 1 mirrored magenta bag.
+clear coral bags contain 4 drab black bags, 3 dark black bags.
+mirrored orange bags contain 1 muted chartreuse bag.
+wavy cyan bags contain 3 posh lime bags, 4 dark magenta bags, 4 vibrant turquoise bags.
+pale magenta bags contain 4 vibrant turquoise bags, 3 clear gold bags.
+posh gold bags contain 5 dotted lime bags, 5 wavy silver bags, 4 muted crimson bags, 1 dull yellow bag.
+clear silver bags contain 1 drab indigo bag.
+faded violet bags contain 2 mirrored bronze bags.
+muted turquoise bags contain 2 plaid green bags, 2 light yellow bags, 4 dark violet bags.
+striped bronze bags contain 4 striped white bags, 1 dim yellow bag, 5 clear aqua bags.
+muted aqua bags contain 5 plaid green bags.
+wavy teal bags contain no other bags.
+pale black bags contain 5 dark salmon bags.
+clear gold bags contain 2 plaid white bags, 5 drab coral bags, 5 pale coral bags.
+muted chartreuse bags contain 5 faded crimson bags.
+dotted fuchsia bags contain 1 plaid brown bag, 1 dark violet bag.
+bright tomato bags contain 1 bright blue bag.
+dim bronze bags contain 1 dotted green bag, 5 pale violet bags, 4 vibrant chartreuse bags, 3 striped yellow bags.
+bright beige bags contain 1 drab blue bag.
+vibrant olive bags contain 3 dotted olive bags.
+clear tomato bags contain 1 light gray bag, 2 light turquoise bags, 2 striped yellow bags.
+mirrored beige bags contain 3 light coral bags, 2 bright teal bags, 1 wavy magenta bag.
+shiny gold bags contain 3 pale silver bags, 3 mirrored yellow bags, 2 shiny black bags, 2 light magenta bags.
+plaid aqua bags contain 4 plaid crimson bags, 4 dim gray bags, 3 plaid orange bags, 2 dotted blue bags.
+light green bags contain 2 light violet bags, 5 striped violet bags, 5 drab brown bags, 4 dull white bags.
+vibrant beige bags contain 3 posh violet bags, 2 plaid blue bags, 4 shiny lavender bags, 5 wavy orange bags.
+drab orange bags contain 3 striped beige bags, 3 posh teal bags, 5 drab silver bags, 1 dark indigo bag.
+shiny orange bags contain 3 dark aqua bags, 4 clear beige bags, 2 mirrored lime bags, 3 dark violet bags.
+wavy maroon bags contain 3 vibrant chartreuse bags.
+wavy olive bags contain 5 dark aqua bags, 1 light yellow bag, 1 shiny crimson bag.
+dotted cyan bags contain 2 drab gold bags.
+muted cyan bags contain 1 clear gold bag, 4 dark plum bags, 2 wavy lavender bags, 5 vibrant indigo bags.
+posh cyan bags contain 1 light fuchsia bag, 1 dark maroon bag.
+faded bronze bags contain 2 muted salmon bags, 4 dim violet bags, 5 dark tan bags, 3 vibrant white bags.
+pale green bags contain 4 muted turquoise bags, 1 vibrant green bag, 1 drab white bag.
+clear brown bags contain 4 wavy teal bags, 4 drab violet bags.
+striped salmon bags contain 5 mirrored orange bags, 1 shiny yellow bag, 1 muted beige bag, 1 clear purple bag.
+posh brown bags contain 3 posh white bags, 4 drab chartreuse bags, 5 dark violet bags, 4 wavy teal bags.
+mirrored green bags contain 1 dim tan bag.
+bright yellow bags contain 2 striped indigo bags, 2 dark silver bags.
+wavy yellow bags contain 3 dotted gold bags, 3 posh green bags.
+light chartreuse bags contain 3 faded blue bags, 3 mirrored yellow bags, 3 shiny plum bags, 4 light red bags.
+dark lime bags contain 5 vibrant chartreuse bags, 2 clear brown bags, 1 posh brown bag.
+muted magenta bags contain 4 shiny silver bags, 2 dotted yellow bags, 4 pale fuchsia bags, 5 muted tan bags.
+light plum bags contain 4 drab gold bags.
+dim tomato bags contain 1 light silver bag.
+pale lime bags contain 4 dull blue bags.
+dim black bags contain 1 dark plum bag, 1 dull crimson bag, 5 wavy white bags, 2 plaid chartreuse bags.
+muted teal bags contain 3 dim black bags, 4 mirrored lavender bags, 5 dull indigo bags, 3 clear red bags.
+muted purple bags contain 1 mirrored red bag.
+dull coral bags contain 5 pale teal bags, 2 faded cyan bags, 4 pale black bags, 2 muted olive bags.
+vibrant red bags contain 4 light teal bags, 5 shiny fuchsia bags, 1 drab purple bag, 2 muted olive bags.
+mirrored tomato bags contain 4 posh brown bags.
+shiny coral bags contain 5 clear turquoise bags, 2 wavy salmon bags, 1 drab brown bag.
+wavy indigo bags contain 1 vibrant brown bag, 2 dim turquoise bags, 1 posh violet bag, 1 plaid green bag.
+dotted gold bags contain 5 pale aqua bags, 1 bright olive bag.
+dotted violet bags contain 2 drab olive bags, 1 plaid cyan bag, 2 posh beige bags.
+pale fuchsia bags contain 5 faded beige bags, 5 dark purple bags.
+shiny chartreuse bags contain 1 striped tan bag, 5 pale tomato bags.
+clear gray bags contain 1 bright fuchsia bag, 4 dotted olive bags, 2 light teal bags, 4 shiny magenta bags.
+vibrant tomato bags contain 1 clear crimson bag, 3 pale purple bags, 3 faded gray bags.
+light orange bags contain 5 plaid brown bags.
+shiny tomato bags contain 3 light olive bags, 5 dim silver bags, 3 posh violet bags, 2 striped lavender bags.
+faded green bags contain 2 dotted gold bags, 1 dark plum bag, 1 dull gray bag, 5 dark brown bags.
+dim gray bags contain 5 muted white bags, 2 mirrored yellow bags, 1 muted tomato bag.
+faded black bags contain 3 faded teal bags, 3 striped lavender bags, 2 striped blue bags, 4 muted lavender bags.
+clear lime bags contain 3 mirrored yellow bags, 1 light yellow bag.
+dark silver bags contain 4 wavy orange bags, 2 muted green bags.
+plaid black bags contain 3 wavy indigo bags, 1 pale red bag.
+mirrored black bags contain 5 dull black bags, 4 clear coral bags, 1 wavy olive bag, 4 dull silver bags.
+light coral bags contain 5 drab black bags, 1 dark magenta bag, 1 drab teal bag, 1 mirrored crimson bag.
+shiny yellow bags contain 5 faded indigo bags.
+posh plum bags contain 3 faded maroon bags, 2 vibrant indigo bags, 1 bright turquoise bag.
+faded olive bags contain 1 vibrant gray bag, 4 drab teal bags, 5 wavy teal bags.
+dim plum bags contain 1 plaid white bag, 4 wavy beige bags, 3 wavy green bags.
+muted tomato bags contain 5 dotted red bags, 1 drab purple bag, 1 light orange bag.
+clear fuchsia bags contain 1 mirrored olive bag, 2 faded salmon bags.
+striped violet bags contain 2 light olive bags, 1 plaid olive bag, 5 light white bags.
+dim aqua bags contain 2 vibrant purple bags, 5 drab silver bags.
+striped crimson bags contain 5 muted coral bags.
+bright indigo bags contain 3 muted gold bags.
+dotted black bags contain 4 shiny crimson bags, 5 dark salmon bags, 5 faded crimson bags, 2 vibrant magenta bags.
+faded indigo bags contain 1 drab tomato bag.
+bright bronze bags contain 1 wavy lime bag, 4 pale violet bags.
+drab turquoise bags contain 2 drab gold bags, 2 vibrant gold bags, 4 pale tomato bags.
+wavy black bags contain 2 dotted brown bags, 1 light salmon bag.
+posh green bags contain 1 striped olive bag, 5 vibrant turquoise bags, 4 pale coral bags.
+clear green bags contain 4 dull bronze bags, 4 shiny crimson bags, 1 light white bag.
+dull chartreuse bags contain 2 dim aqua bags, 3 shiny black bags.
+drab lime bags contain 1 wavy chartreuse bag, 4 mirrored chartreuse bags, 1 posh olive bag, 5 mirrored lavender bags.
+bright tan bags contain 4 muted tan bags, 5 shiny gold bags, 1 mirrored red bag, 3 dull crimson bags.
+dim maroon bags contain 3 clear red bags, 5 dark brown bags, 2 bright maroon bags, 1 muted teal bag.
+drab tomato bags contain 4 dim orange bags, 2 mirrored violet bags, 3 faded purple bags.
+muted gold bags contain 1 dim cyan bag.
+striped white bags contain 1 plaid white bag, 1 posh purple bag, 3 muted cyan bags, 2 pale crimson bags.
+wavy beige bags contain 2 plaid white bags, 3 dark brown bags.
+vibrant turquoise bags contain 2 muted turquoise bags, 3 plaid green bags, 1 shiny crimson bag.
+dark fuchsia bags contain 1 pale purple bag, 1 dim fuchsia bag, 3 light teal bags, 3 vibrant magenta bags.
+dotted aqua bags contain 1 bright white bag, 5 clear gold bags, 5 clear tomato bags.
+faded silver bags contain 1 light lime bag, 4 wavy gold bags.
+faded brown bags contain 4 light aqua bags.
+bright gray bags contain 3 faded red bags, 2 muted plum bags, 1 wavy brown bag.
+wavy tan bags contain 1 pale maroon bag, 5 posh black bags.
+bright blue bags contain 5 posh purple bags.
+striped gold bags contain 4 dull tan bags, 1 shiny crimson bag, 2 clear blue bags.
+bright magenta bags contain 4 shiny orange bags.
+dotted brown bags contain 4 faded teal bags, 5 mirrored coral bags.
+muted silver bags contain 5 striped black bags, 3 faded beige bags, 4 plaid crimson bags, 2 wavy brown bags.
+wavy purple bags contain 1 dim brown bag, 1 bright yellow bag, 5 shiny lime bags.
+dull plum bags contain 1 posh black bag, 4 vibrant fuchsia bags, 5 dull bronze bags.
+dotted red bags contain 5 striped tomato bags, 4 shiny orange bags, 4 clear magenta bags, 5 pale coral bags.
+light violet bags contain 2 bright beige bags, 5 mirrored plum bags, 3 wavy fuchsia bags, 1 clear tan bag.
+dark teal bags contain 3 dull gray bags, 2 dark aqua bags, 1 clear beige bag.
+light fuchsia bags contain 2 muted silver bags, 2 striped beige bags.
+posh blue bags contain 5 striped olive bags, 5 dim coral bags.
+light black bags contain 2 drab coral bags, 2 shiny indigo bags.
+pale chartreuse bags contain 5 pale tomato bags.
+drab gold bags contain 1 faded gold bag, 5 shiny gold bags.
+posh bronze bags contain 2 drab aqua bags, 5 pale gray bags.
+light tomato bags contain 5 wavy lime bags.
+dull tan bags contain 3 drab blue bags, 4 dull green bags, 4 clear violet bags.
+muted beige bags contain 5 clear white bags, 5 faded crimson bags.
+faded fuchsia bags contain 5 plaid purple bags, 1 shiny silver bag, 4 muted violet bags.
+bright green bags contain 5 dim teal bags, 5 shiny crimson bags, 5 clear crimson bags.
+mirrored fuchsia bags contain 4 posh white bags, 5 wavy teal bags, 2 dark violet bags.
+vibrant plum bags contain 2 posh yellow bags.
+plaid bronze bags contain 4 dotted coral bags, 4 dull green bags, 2 plaid chartreuse bags.
+plaid fuchsia bags contain 5 bright white bags.
+dull red bags contain 2 mirrored fuchsia bags, 3 vibrant violet bags, 2 bright olive bags, 1 dim orange bag.
+faded gray bags contain 1 dull purple bag, 2 posh salmon bags.
+wavy plum bags contain 4 pale violet bags, 3 striped magenta bags, 4 pale red bags.
+dark crimson bags contain 4 dim yellow bags, 1 dotted purple bag, 2 wavy indigo bags, 4 clear black bags.
+pale cyan bags contain 5 shiny coral bags, 4 shiny beige bags, 2 plaid olive bags.
+dull violet bags contain 3 wavy olive bags, 1 dull gray bag, 5 vibrant turquoise bags, 1 plaid purple bag.
+wavy chartreuse bags contain 1 dotted magenta bag, 3 bright orange bags, 1 mirrored red bag.
+dark cyan bags contain 5 dotted turquoise bags, 1 clear purple bag, 1 dim teal bag.
+posh coral bags contain 3 muted bronze bags.
+pale yellow bags contain 1 drab tomato bag.
+plaid turquoise bags contain 1 muted gray bag.
+dotted purple bags contain 5 posh silver bags, 4 dark salmon bags.
+light indigo bags contain 4 mirrored red bags, 4 light olive bags.
+faded plum bags contain 3 mirrored gold bags.
+faded coral bags contain 5 dull tan bags.
+clear indigo bags contain 5 mirrored magenta bags, 1 clear maroon bag, 1 bright blue bag, 5 light aqua bags.
+dim cyan bags contain 5 plaid green bags.
+dotted maroon bags contain 5 pale maroon bags, 2 dark indigo bags.
+faded beige bags contain 1 plaid chartreuse bag.
+striped indigo bags contain 1 dark gray bag, 3 drab olive bags.
+clear yellow bags contain 4 dull gray bags, 1 muted green bag.
+light lavender bags contain 4 pale coral bags, 2 light yellow bags, 2 light indigo bags.
+light turquoise bags contain 5 pale fuchsia bags, 5 vibrant fuchsia bags, 5 vibrant magenta bags, 3 pale indigo bags.
+light purple bags contain 2 light cyan bags.
+bright gold bags contain 1 dark aqua bag.
+muted bronze bags contain 2 light teal bags.
+striped gray bags contain 2 light cyan bags, 1 pale black bag, 5 plaid plum bags.
+wavy orange bags contain 2 pale coral bags, 2 dim coral bags.
+wavy silver bags contain 2 posh white bags, 1 faded beige bag.
+clear chartreuse bags contain 1 vibrant lime bag, 2 faded plum bags, 1 striped chartreuse bag, 5 clear maroon bags.
+vibrant tan bags contain 3 striped lime bags, 4 pale maroon bags, 2 muted turquoise bags, 4 dark lime bags.
+posh aqua bags contain 2 muted tan bags, 2 shiny blue bags, 2 posh purple bags.
+bright orange bags contain no other bags.
+drab coral bags contain no other bags.
+light white bags contain 5 striped yellow bags.
+wavy violet bags contain 1 pale silver bag, 2 shiny fuchsia bags, 1 vibrant violet bag, 1 shiny plum bag.
+dark white bags contain 4 shiny maroon bags, 2 dim brown bags, 2 dark beige bags, 1 pale blue bag.
+vibrant violet bags contain 4 striped blue bags, 1 mirrored lime bag, 1 posh white bag.
+vibrant lavender bags contain 4 dotted magenta bags, 1 wavy red bag, 3 pale coral bags, 3 clear indigo bags.
+dark purple bags contain 4 posh white bags.
+mirrored lavender bags contain 5 clear brown bags, 2 faded gold bags.
+striped silver bags contain 3 light yellow bags, 1 drab violet bag.
+faded blue bags contain 3 muted violet bags, 4 wavy plum bags, 2 pale indigo bags, 1 wavy bronze bag.
+drab cyan bags contain 4 dim tomato bags, 1 plaid lavender bag, 4 pale red bags, 2 drab olive bags.
+clear lavender bags contain 3 wavy olive bags, 5 bright gray bags, 3 wavy beige bags, 2 dim violet bags.
+striped aqua bags contain 3 mirrored lavender bags.
+plaid tomato bags contain 2 posh cyan bags, 3 pale silver bags.
+plaid salmon bags contain 1 muted lavender bag, 5 muted green bags, 3 bright aqua bags.
+light blue bags contain 1 light white bag, 4 clear violet bags, 3 dark brown bags.
+dark blue bags contain 5 posh aqua bags.
+faded teal bags contain 3 light beige bags.
+plaid chartreuse bags contain 4 wavy teal bags.
+wavy gray bags contain 3 drab white bags, 2 muted lavender bags.
+pale maroon bags contain 4 faded crimson bags, 4 vibrant chartreuse bags, 1 plaid green bag, 1 vibrant turquoise bag.
+dark bronze bags contain 4 faded turquoise bags, 2 faded silver bags, 5 faded salmon bags.
+pale coral bags contain 3 mirrored yellow bags, 4 dark plum bags, 2 dark aqua bags, 4 plaid white bags.
+mirrored magenta bags contain 5 vibrant lime bags, 4 vibrant chartreuse bags, 3 striped aqua bags.
+mirrored salmon bags contain 4 striped salmon bags, 1 posh tan bag, 3 faded bronze bags.
+drab tan bags contain 5 vibrant violet bags.
+vibrant indigo bags contain 1 pale coral bag, 1 light teal bag, 2 light magenta bags.
+plaid lavender bags contain 1 striped silver bag, 1 clear lime bag.
+muted plum bags contain 2 plaid crimson bags.
+posh gray bags contain 5 mirrored lime bags.
+clear maroon bags contain 5 wavy bronze bags, 3 dim gold bags, 2 muted beige bags, 5 posh coral bags.
+striped maroon bags contain 2 dotted violet bags, 4 bright fuchsia bags, 4 striped aqua bags.
+faded yellow bags contain 2 wavy teal bags, 3 wavy lavender bags.
+posh black bags contain 1 drab silver bag, 2 clear white bags, 5 muted silver bags.
+muted indigo bags contain 1 dark green bag, 1 plaid chartreuse bag, 3 bright indigo bags, 5 wavy silver bags.
+wavy brown bags contain 5 faded red bags, 4 bright orange bags, 3 dim black bags.
+vibrant coral bags contain 5 plaid white bags, 5 vibrant indigo bags.
+wavy white bags contain 1 plaid green bag, 3 drab chartreuse bags, 1 posh white bag.
+pale violet bags contain 2 shiny orange bags, 4 plaid crimson bags.
+clear black bags contain 4 wavy blue bags, 5 plaid tan bags, 4 clear magenta bags.
+faded aqua bags contain 2 wavy teal bags.
+dotted green bags contain 5 shiny orange bags, 1 light magenta bag.
+bright coral bags contain 2 shiny fuchsia bags, 4 light lime bags, 1 shiny gold bag.
+vibrant fuchsia bags contain 1 vibrant chartreuse bag, 1 striped black bag.
+dark turquoise bags contain 5 shiny salmon bags, 2 light lavender bags.
+shiny green bags contain 1 pale silver bag, 4 dim red bags, 3 dark lime bags, 4 drab coral bags.
+clear red bags contain 5 light teal bags, 5 posh brown bags.
+dull gold bags contain 1 drab tan bag, 4 striped tomato bags, 5 pale maroon bags, 2 dim crimson bags.
+mirrored red bags contain 3 shiny crimson bags, 4 plaid brown bags, 2 shiny black bags.
+pale blue bags contain 1 wavy crimson bag, 4 faded beige bags, 4 shiny chartreuse bags.
+clear beige bags contain 4 plaid crimson bags, 5 shiny crimson bags.
+drab salmon bags contain 4 dim crimson bags, 3 light magenta bags, 1 clear violet bag.
+vibrant magenta bags contain 4 dim black bags.
+dark salmon bags contain 3 dull green bags, 4 faded red bags.
+posh white bags contain no other bags.
+light lime bags contain 5 dark aqua bags.
+vibrant salmon bags contain 4 striped tomato bags, 4 clear aqua bags.
+clear teal bags contain 3 striped gray bags.
+plaid silver bags contain 3 vibrant violet bags, 2 muted magenta bags, 3 dark olive bags, 4 mirrored gold bags.
+striped cyan bags contain 4 light gold bags, 2 dotted magenta bags.
+wavy bronze bags contain 1 plaid crimson bag, 1 dull gray bag, 5 dull tan bags, 1 mirrored teal bag.
+dim olive bags contain 4 vibrant lime bags, 2 shiny crimson bags, 2 muted turquoise bags.
+dotted blue bags contain 4 vibrant gray bags, 2 shiny beige bags.
+plaid blue bags contain 5 drab silver bags.
+dark olive bags contain 1 pale coral bag, 4 vibrant indigo bags.
+pale gray bags contain 3 dotted crimson bags, 1 striped magenta bag, 5 wavy white bags, 2 vibrant blue bags.
+mirrored brown bags contain 2 bright cyan bags, 4 plaid brown bags, 5 faded turquoise bags.
+wavy gold bags contain 1 wavy coral bag.
+pale teal bags contain 3 vibrant magenta bags.
+mirrored turquoise bags contain 4 mirrored olive bags, 5 bright yellow bags.
+dark chartreuse bags contain 4 dotted cyan bags, 5 shiny turquoise bags, 5 vibrant salmon bags, 4 wavy yellow bags.
+muted gray bags contain 3 dim orange bags.
+posh turquoise bags contain 4 clear lavender bags, 5 dim coral bags, 2 striped salmon bags.
+shiny cyan bags contain 4 striped gold bags.
+drab olive bags contain 2 plaid cyan bags, 1 mirrored lime bag.
+posh tomato bags contain 2 drab tan bags, 3 shiny orange bags.
+muted fuchsia bags contain 1 pale salmon bag, 3 wavy violet bags, 3 mirrored maroon bags.
+pale bronze bags contain 3 drab yellow bags, 3 muted chartreuse bags.
+striped green bags contain 3 striped orange bags, 2 dull green bags, 3 vibrant tan bags.
+faded orange bags contain 3 mirrored plum bags, 5 mirrored lime bags, 5 faded red bags.
+dull aqua bags contain 2 striped coral bags.
+dotted olive bags contain 4 faded salmon bags, 1 wavy green bag.
+vibrant silver bags contain 4 mirrored yellow bags, 2 dotted salmon bags, 3 drab silver bags.
+striped olive bags contain 1 mirrored fuchsia bag, 1 faded gold bag, 1 mirrored lavender bag.
+dark violet bags contain no other bags.
+mirrored olive bags contain 5 dull teal bags, 1 dim white bag.
+plaid tan bags contain 4 pale gray bags, 2 dim crimson bags, 1 clear violet bag, 1 wavy lime bag.
+pale tomato bags contain 5 posh green bags, 4 faded red bags.
+dim turquoise bags contain 1 shiny gold bag, 5 drab blue bags.
+muted lime bags contain 3 vibrant lime bags, 1 pale plum bag, 1 dark indigo bag.
+drab beige bags contain 3 vibrant magenta bags.
+posh beige bags contain 2 dark violet bags.
+muted olive bags contain 2 pale brown bags, 5 light gray bags, 3 wavy green bags, 2 drab tan bags.
+dim orange bags contain 1 clear lime bag, 4 faded beige bags, 2 mirrored fuchsia bags.
+dull salmon bags contain 4 striped coral bags, 3 striped aqua bags.
+dull maroon bags contain 3 clear brown bags, 5 dull magenta bags, 1 dim red bag.
+mirrored coral bags contain 5 muted tan bags, 4 dotted magenta bags, 5 dim olive bags.
+posh olive bags contain 4 dull magenta bags, 4 wavy blue bags, 2 drab yellow bags, 5 dotted gold bags.
+mirrored violet bags contain 2 pale fuchsia bags.
+drab bronze bags contain 4 drab chartreuse bags.
+wavy fuchsia bags contain 2 dark gray bags, 5 muted silver bags.
+pale plum bags contain 3 vibrant salmon bags, 5 drab chartreuse bags, 2 posh violet bags.
+mirrored aqua bags contain 2 pale aqua bags.
+bright silver bags contain 3 drab black bags, 5 dark salmon bags, 2 shiny beige bags, 2 posh lavender bags.
+plaid lime bags contain 4 faded teal bags, 5 pale brown bags, 5 dim red bags.
+dotted turquoise bags contain 3 dim olive bags, 2 mirrored blue bags, 3 dull lime bags, 4 vibrant lavender bags.
+drab maroon bags contain 5 bright red bags.
+wavy lavender bags contain 1 striped lime bag, 1 posh brown bag.
+shiny beige bags contain 5 shiny aqua bags, 3 muted teal bags, 5 clear gold bags.
+dark gold bags contain 4 clear maroon bags, 2 dotted maroon bags, 3 light red bags.
+light aqua bags contain 2 dim red bags, 3 pale red bags.
+posh teal bags contain 3 muted brown bags, 5 shiny gold bags, 5 dotted purple bags.
+dull lavender bags contain 5 shiny blue bags.
+dark tan bags contain 1 muted tan bag, 5 vibrant turquoise bags, 4 dark violet bags, 4 muted plum bags.
+light beige bags contain 2 mirrored fuchsia bags, 1 drab chartreuse bag, 1 muted tan bag.
+pale olive bags contain 3 clear brown bags.
+dark maroon bags contain 5 dull plum bags, 3 muted green bags.
+muted red bags contain 4 pale tan bags, 1 bright white bag.
+light tan bags contain 3 light purple bags, 2 pale aqua bags, 3 wavy bronze bags.
+clear magenta bags contain 3 vibrant chartreuse bags, 1 dim crimson bag.
+dark orange bags contain 2 posh cyan bags, 1 wavy brown bag, 5 dull black bags.
+dim lavender bags contain 5 drab fuchsia bags.
+dotted beige bags contain 5 light blue bags, 4 plaid tan bags, 2 wavy maroon bags, 5 dim crimson bags.
+dim green bags contain 3 plaid tan bags, 1 drab blue bag, 1 clear aqua bag.
+plaid brown bags contain 3 muted turquoise bags, 4 drab chartreuse bags.
+bright black bags contain 5 striped white bags.
+plaid gold bags contain 3 shiny lime bags, 1 plaid maroon bag, 4 bright blue bags.
+pale white bags contain 4 drab chartreuse bags, 3 pale tan bags, 5 pale aqua bags.
+drab violet bags contain no other bags.
+light magenta bags contain 3 faded crimson bags.
+light gold bags contain 1 dim lavender bag, 3 light magenta bags, 5 drab gold bags.
+plaid coral bags contain 1 vibrant salmon bag, 3 striped tomato bags, 3 posh blue bags.
+dotted white bags contain 1 wavy lavender bag.
+striped yellow bags contain 4 drab black bags, 2 faded red bags, 2 shiny gold bags, 4 dark aqua bags.
+dark yellow bags contain 5 wavy bronze bags, 5 bright purple bags.
+faded white bags contain 3 light tomato bags.
+muted white bags contain 5 faded gold bags, 1 plaid magenta bag, 3 drab white bags, 5 dim brown bags.
+faded red bags contain 1 posh brown bag, 2 muted turquoise bags, 3 plaid crimson bags, 4 shiny orange bags.
+dark red bags contain 5 shiny salmon bags.
+dull gray bags contain 2 posh white bags.
+bright salmon bags contain 2 shiny aqua bags, 3 dotted crimson bags, 1 drab violet bag, 4 pale chartreuse bags.
+mirrored chartreuse bags contain 1 vibrant magenta bag, 3 plaid salmon bags, 1 plaid chartreuse bag, 3 muted violet bags.
+vibrant orange bags contain 5 posh yellow bags.
+dark gray bags contain 1 plaid chartreuse bag, 2 drab violet bags, 1 bright chartreuse bag, 1 muted purple bag.
+mirrored crimson bags contain 3 drab coral bags, 5 dull lime bags.
+muted violet bags contain 3 dotted crimson bags, 3 light olive bags.
+shiny brown bags contain 2 dark lavender bags, 2 vibrant yellow bags, 1 dark black bag, 2 drab olive bags.
+muted green bags contain 1 dull cyan bag, 5 dull red bags, 4 pale chartreuse bags.
+drab yellow bags contain 3 pale tomato bags.
+dotted tomato bags contain 2 shiny magenta bags, 3 mirrored tomato bags, 5 plaid chartreuse bags.
+plaid red bags contain 3 pale cyan bags.
+bright red bags contain 1 shiny beige bag.
+plaid purple bags contain 5 dull gold bags.
+dark green bags contain 3 pale salmon bags, 3 dim brown bags, 2 wavy violet bags, 2 pale chartreuse bags.
+plaid orange bags contain 1 vibrant chartreuse bag, 2 dotted coral bags, 1 posh teal bag.
+plaid violet bags contain 1 shiny maroon bag.
+posh tan bags contain 1 shiny beige bag, 2 dim magenta bags, 1 dark violet bag.
+bright aqua bags contain 1 drab brown bag, 4 dotted purple bags.
+vibrant white bags contain 4 light gray bags, 2 dark fuchsia bags, 1 pale cyan bag.
+striped red bags contain 5 faded gold bags, 5 drab crimson bags, 3 faded turquoise bags.
+dull purple bags contain 1 pale crimson bag.
+shiny blue bags contain 1 pale violet bag, 5 mirrored plum bags, 3 posh white bags, 1 light yellow bag.
+clear salmon bags contain 2 striped lime bags, 1 dull violet bag.
+faded gold bags contain 3 light teal bags, 3 wavy teal bags.
+mirrored yellow bags contain 2 muted turquoise bags, 4 drab chartreuse bags.
+plaid gray bags contain 4 plaid plum bags.
+plaid white bags contain no other bags.
+drab black bags contain 2 mirrored yellow bags, 2 drab chartreuse bags, 1 shiny orange bag.
+dotted chartreuse bags contain 2 vibrant cyan bags, 2 light salmon bags, 3 vibrant red bags, 5 light turquoise bags.
+faded lavender bags contain 3 dark tomato bags, 5 muted lime bags, 4 light fuchsia bags, 4 dull lavender bags.
+vibrant cyan bags contain 2 clear crimson bags, 3 pale orange bags, 4 dull indigo bags, 3 light red bags.
+bright maroon bags contain 2 muted tan bags, 2 light teal bags.
+drab silver bags contain 3 bright chartreuse bags, 4 pale crimson bags, 5 dotted crimson bags, 5 faded yellow bags.
+drab purple bags contain 5 drab blue bags.
+dim gold bags contain 1 bright cyan bag, 5 dull white bags, 3 vibrant blue bags.
+dark beige bags contain 4 pale coral bags, 1 pale indigo bag.
+dotted salmon bags contain 2 drab violet bags, 5 posh white bags.
+vibrant crimson bags contain 5 faded teal bags, 3 dotted green bags, 1 clear maroon bag.
+dim chartreuse bags contain 3 clear white bags.
+bright violet bags contain 1 dim yellow bag, 1 muted purple bag, 4 muted teal bags, 5 striped cyan bags.
+dim magenta bags contain 1 pale aqua bag, 4 pale maroon bags, 5 mirrored red bags, 4 drab yellow bags.
+dim brown bags contain 5 faded salmon bags, 4 dotted magenta bags, 5 drab tomato bags, 2 faded teal bags.
+shiny lime bags contain 5 dotted black bags, 4 plaid turquoise bags, 2 dim tomato bags, 2 clear magenta bags.
+drab magenta bags contain 3 dark beige bags.
+faded cyan bags contain 2 striped lime bags, 4 bright red bags.
+dark brown bags contain 4 mirrored lime bags, 1 bright orange bag.
+posh fuchsia bags contain 5 shiny gold bags, 5 pale salmon bags, 1 light coral bag, 1 mirrored plum bag.
+shiny magenta bags contain 4 dark aqua bags.
+dark lavender bags contain 1 pale purple bag, 3 vibrant yellow bags.
+vibrant brown bags contain 2 posh teal bags, 1 wavy silver bag, 2 pale plum bags.
+muted black bags contain 5 faded crimson bags, 3 dim crimson bags, 4 vibrant magenta bags.
+muted brown bags contain 5 striped olive bags, 5 dark brown bags, 2 clear brown bags, 4 plaid white bags.
+pale orange bags contain 4 bright blue bags, 3 dark aqua bags, 1 clear gold bag.
+light cyan bags contain 3 muted silver bags.
+drab white bags contain 2 drab tan bags, 2 striped tomato bags, 4 dull gray bags, 5 drab blue bags.
+dim tan bags contain 3 mirrored bronze bags, 3 faded salmon bags, 4 drab purple bags.
+dull tomato bags contain 3 clear lime bags.
+wavy aqua bags contain 3 dotted orange bags, 5 shiny crimson bags.
+shiny lavender bags contain 5 vibrant blue bags, 4 pale purple bags, 1 wavy bronze bag, 2 posh violet bags.
+shiny white bags contain 5 faded blue bags, 5 pale cyan bags.
+wavy blue bags contain 4 vibrant chartreuse bags, 4 plaid brown bags, 3 plaid white bags, 2 faded gold bags.
+striped magenta bags contain 2 dark olive bags, 5 bright chartreuse bags.
+vibrant black bags contain 4 plaid white bags, 2 dull silver bags, 5 striped purple bags, 1 dark plum bag.
+dull green bags contain 2 dull crimson bags.
+vibrant chartreuse bags contain 2 bright orange bags, 4 dark aqua bags.
+dim violet bags contain 2 dark teal bags, 4 plaid brown bags, 4 mirrored yellow bags.
+clear blue bags contain 5 posh maroon bags.
+faded tomato bags contain 5 clear beige bags, 4 bright orange bags.
+posh violet bags contain 3 clear gold bags.
+striped tomato bags contain 2 shiny black bags.
+muted crimson bags contain 4 light aqua bags, 3 dim gold bags.
+clear tan bags contain 4 drab tomato bags, 4 mirrored bronze bags, 1 shiny chartreuse bag.
+posh magenta bags contain 4 posh red bags, 3 light bronze bags.
+dim blue bags contain 5 dim gray bags, 1 light turquoise bag, 5 muted bronze bags.
+drab plum bags contain 1 vibrant plum bag, 4 striped coral bags.
+pale silver bags contain 5 drab black bags.
+posh purple bags contain 2 dark brown bags.
+drab indigo bags contain 1 muted lavender bag, 2 posh salmon bags, 1 pale brown bag.
+striped blue bags contain 4 wavy teal bags.
+wavy magenta bags contain 1 dotted salmon bag, 1 drab black bag, 2 dull tan bags, 1 drab silver bag.
+pale turquoise bags contain 4 dark lime bags, 4 drab maroon bags.
+shiny tan bags contain 4 plaid coral bags, 3 dim black bags, 1 dull plum bag.
+light teal bags contain 3 dark violet bags.
+mirrored silver bags contain 1 striped salmon bag, 1 clear chartreuse bag, 2 clear orange bags, 2 posh aqua bags.
+wavy coral bags contain 2 muted teal bags, 1 wavy white bag.
+wavy crimson bags contain 1 shiny aqua bag, 3 muted beige bags.
+shiny bronze bags contain 1 posh indigo bag, 5 wavy blue bags, 1 faded gold bag, 3 striped tomato bags.
+shiny maroon bags contain 1 clear tomato bag, 1 wavy crimson bag.
+bright turquoise bags contain 3 dull tan bags, 3 vibrant teal bags.
+faded purple bags contain 1 plaid chartreuse bag.
+bright white bags contain 2 faded gold bags.
+clear orange bags contain 4 striped blue bags, 2 mirrored lime bags, 5 muted turquoise bags.
+clear cyan bags contain 1 dim plum bag, 3 shiny brown bags, 1 muted purple bag, 2 plaid lime bags.
+plaid teal bags contain 2 faded aqua bags, 4 wavy olive bags.
+dotted lime bags contain 5 posh olive bags, 2 pale orange bags.
+muted tan bags contain 1 dull gray bag, 2 dark aqua bags, 1 pale violet bag.
+striped orange bags contain 3 mirrored lime bags, 2 dull crimson bags, 4 faded gold bags, 3 pale silver bags.
+light olive bags contain 2 dark tan bags, 3 dim orange bags, 5 mirrored yellow bags.
+plaid magenta bags contain 2 wavy orange bags, 1 wavy chartreuse bag, 5 striped coral bags.
+dark magenta bags contain 3 bright white bags, 3 plaid purple bags, 3 striped black bags, 4 light beige bags.
+dark black bags contain 3 pale tan bags, 4 mirrored orange bags, 3 dull teal bags.
+posh orange bags contain 4 bright aqua bags, 1 dim crimson bag, 4 dim turquoise bags, 1 dotted bronze bag.
+dull crimson bags contain 4 vibrant violet bags.
+clear turquoise bags contain 1 muted brown bag, 2 dull yellow bags, 3 pale black bags, 1 plaid crimson bag.
+vibrant blue bags contain 2 clear beige bags.
+dull lime bags contain 4 shiny plum bags, 3 vibrant magenta bags, 3 dark olive bags.
+drab brown bags contain 4 clear green bags.
+mirrored plum bags contain 2 faded red bags.
+shiny fuchsia bags contain 2 muted cyan bags, 4 dark aqua bags, 3 light olive bags, 2 clear gold bags.
+vibrant purple bags contain 3 pale aqua bags, 3 dark lime bags, 1 bright chartreuse bag.
+bright crimson bags contain 1 vibrant gold bag.
+shiny plum bags contain 2 clear olive bags, 4 dark plum bags.
+shiny crimson bags contain no other bags.
+dull beige bags contain 1 mirrored coral bag.
+dim salmon bags contain 1 clear tomato bag, 2 shiny teal bags, 4 plaid olive bags, 3 plaid purple bags.
+muted maroon bags contain 2 muted violet bags, 4 dark white bags.
+pale aqua bags contain 4 dark beige bags, 1 muted brown bag.
+bright plum bags contain 4 dim black bags.
+striped tan bags contain 3 bright orange bags, 3 dark violet bags, 4 drab blue bags, 2 vibrant lime bags.
+clear crimson bags contain 3 wavy brown bags, 1 faded blue bag, 2 striped cyan bags.
+dim indigo bags contain 3 dotted lime bags, 1 dotted purple bag.
+pale tan bags contain 2 drab blue bags, 5 dim orange bags, 5 wavy olive bags, 3 striped tomato bags.
+vibrant bronze bags contain 5 clear red bags, 5 posh red bags.
+dotted bronze bags contain 1 light yellow bag.
+wavy salmon bags contain 2 striped olive bags, 4 muted teal bags.
+shiny turquoise bags contain 3 dark teal bags, 1 plaid yellow bag.
+faded maroon bags contain 1 vibrant salmon bag, 5 dotted magenta bags, 1 faded tan bag, 5 striped tomato bags.
+vibrant teal bags contain 4 light teal bags, 3 pale orange bags, 5 drab white bags.
+vibrant gold bags contain 1 muted cyan bag, 2 mirrored plum bags, 1 drab coral bag, 4 dark lime bags.
+bright cyan bags contain 2 muted silver bags, 5 plaid bronze bags, 3 light beige bags, 2 faded crimson bags.
+shiny silver bags contain 4 mirrored fuchsia bags, 2 clear violet bags, 3 faded beige bags.
+dark tomato bags contain 4 clear lime bags, 2 light beige bags, 3 bright turquoise bags.
+mirrored indigo bags contain 5 posh chartreuse bags, 5 clear tomato bags.
+dotted indigo bags contain 2 drab olive bags, 2 dim indigo bags, 5 dotted magenta bags.
+shiny gray bags contain 4 muted chartreuse bags, 4 plaid gray bags, 3 dull red bags, 5 striped orange bags.
+dim yellow bags contain 1 muted cyan bag, 4 mirrored fuchsia bags, 1 faded gold bag, 1 drab turquoise bag.
+bright lime bags contain 5 shiny bronze bags, 3 wavy aqua bags, 4 plaid turquoise bags.
+dotted gray bags contain 2 shiny gold bags.
+striped black bags contain 1 wavy teal bag, 5 dim chartreuse bags, 4 mirrored lavender bags.
+pale beige bags contain 2 posh black bags, 4 clear white bags.
+posh indigo bags contain 5 plaid white bags.
+dull blue bags contain 4 dark violet bags, 2 clear magenta bags, 4 dotted crimson bags.
+mirrored white bags contain 5 faded yellow bags.
+bright brown bags contain 3 pale gray bags.
+light gray bags contain 3 clear magenta bags, 5 wavy brown bags, 3 dotted salmon bags.
+muted orange bags contain 1 bright magenta bag, 1 bright plum bag.
+clear purple bags contain 1 shiny gold bag, 1 dark white bag.
+striped coral bags contain 5 pale gray bags, 3 wavy chartreuse bags.
+plaid green bags contain no other bags.
+plaid maroon bags contain 5 posh brown bags, 3 striped crimson bags, 4 plaid green bags.
+light maroon bags contain 3 muted gray bags, 5 dull crimson bags, 2 shiny maroon bags.
+pale purple bags contain 2 striped white bags, 3 plaid chartreuse bags, 1 mirrored lime bag.
+muted yellow bags contain 5 vibrant purple bags, 1 dark teal bag.
+plaid olive bags contain 1 light crimson bag, 1 faded gold bag, 1 vibrant blue bag.
+dim beige bags contain 4 muted silver bags, 3 mirrored beige bags, 4 striped violet bags.
+striped chartreuse bags contain 3 dull teal bags.
+muted salmon bags contain 2 posh salmon bags, 2 posh silver bags.
+dim red bags contain 2 drab blue bags, 4 plaid crimson bags, 3 vibrant gold bags.
+dull magenta bags contain 5 faded crimson bags, 1 shiny orange bag, 1 dark tan bag.
+plaid beige bags contain 1 vibrant turquoise bag.
+striped teal bags contain 2 dim chartreuse bags, 4 dark green bags.
+dotted plum bags contain 2 light cyan bags.
+dotted yellow bags contain 5 posh black bags, 5 dull tan bags, 2 dull violet bags, 5 muted plum bags.
+dotted coral bags contain 1 striped tomato bag, 2 light crimson bags, 3 clear violet bags.
+dull fuchsia bags contain 3 plaid purple bags, 4 mirrored red bags.
+dull yellow bags contain 5 vibrant violet bags, 2 dark olive bags.
+dull white bags contain 5 posh olive bags, 5 pale tomato bags, 2 bright teal bags.
+pale brown bags contain 3 dim crimson bags, 3 pale indigo bags, 1 dim chartreuse bag, 4 muted teal bags.
+shiny violet bags contain 1 muted tomato bag, 2 dull yellow bags, 1 drab teal bag.
+drab blue bags contain 3 vibrant gold bags, 4 drab black bags.
+posh lavender bags contain 5 shiny plum bags, 3 drab salmon bags, 4 dim brown bags, 4 plaid blue bags.
+dull teal bags contain 2 drab turquoise bags, 1 shiny crimson bag, 5 shiny aqua bags.
+shiny purple bags contain 3 drab orange bags, 4 dark red bags, 4 vibrant fuchsia bags, 2 light fuchsia bags.
+pale salmon bags contain 2 plaid chartreuse bags, 3 striped white bags.
+posh silver bags contain 4 clear magenta bags, 5 light magenta bags.
+light salmon bags contain 4 vibrant olive bags.
+striped turquoise bags contain 1 faded magenta bag, 3 shiny indigo bags, 4 striped lavender bags.
+dotted crimson bags contain 2 pale silver bags, 2 striped magenta bags, 1 striped white bag.
+dull brown bags contain 5 clear crimson bags, 1 dotted green bag, 4 dull magenta bags, 3 dim tan bags.
+plaid cyan bags contain 1 striped orange bag, 2 muted cyan bags.
+muted lavender bags contain 5 mirrored fuchsia bags.
+dim lime bags contain 1 muted black bag.
+light bronze bags contain 1 dull crimson bag, 5 dim chartreuse bags.
+dull olive bags contain 2 vibrant coral bags, 3 shiny teal bags, 4 plaid purple bags.
+posh yellow bags contain 5 dark lime bags, 3 mirrored plum bags.
+bright fuchsia bags contain 1 striped silver bag.
+posh maroon bags contain 4 dotted magenta bags, 4 posh yellow bags, 2 drab beige bags.
+posh salmon bags contain 2 muted green bags.
+mirrored gray bags contain 4 striped silver bags.
+dull cyan bags contain 2 bright orange bags, 4 dark plum bags.
+light crimson bags contain 3 drab fuchsia bags, 3 bright blue bags, 1 dark purple bag.
+light red bags contain 3 dim maroon bags, 4 muted green bags, 3 dotted olive bags.
+dull indigo bags contain 2 plaid brown bags, 1 wavy white bag, 2 vibrant turquoise bags, 5 drab chartreuse bags.
+drab crimson bags contain 2 vibrant salmon bags.
+posh red bags contain 3 mirrored violet bags, 1 striped tomato bag, 2 striped olive bags.
+drab chartreuse bags contain no other bags.
+posh lime bags contain 3 drab violet bags, 1 bright coral bag.
+wavy red bags contain 4 striped gray bags, 3 posh salmon bags, 1 dotted violet bag, 3 striped aqua bags.
+striped fuchsia bags contain 3 bright crimson bags, 3 dark silver bags, 1 clear magenta bag, 3 drab salmon bags.
+striped plum bags contain 2 drab tan bags, 5 pale gold bags, 1 dull white bag, 1 clear coral bag.
+mirrored maroon bags contain 1 dark magenta bag, 1 plaid purple bag, 2 light gray bags.
+shiny indigo bags contain 2 drab teal bags.
+dim silver bags contain 1 striped aqua bag, 3 dull tan bags, 3 striped tan bags, 2 wavy maroon bags.
+shiny salmon bags contain 5 faded beige bags.
+dull black bags contain 3 vibrant plum bags, 2 plaid chartreuse bags, 1 muted brown bag, 2 clear tomato bags.
+clear plum bags contain 3 striped maroon bags, 2 dark white bags.
+vibrant green bags contain 5 light orange bags, 5 mirrored magenta bags, 3 bright teal bags, 2 striped brown bags.
+drab gray bags contain 1 plaid maroon bag, 2 pale tan bags, 1 plaid white bag.
+wavy lime bags contain 2 clear gold bags, 2 bright chartreuse bags, 1 faded crimson bag.
+light silver bags contain 4 dim maroon bags, 1 mirrored teal bag.
+light brown bags contain 5 muted magenta bags.
+dim fuchsia bags contain 5 pale purple bags, 5 wavy orange bags, 5 clear lime bags.
+vibrant maroon bags contain 4 light gray bags.
+dim purple bags contain 2 muted white bags, 2 shiny aqua bags.
+clear olive bags contain 3 bright olive bags.
+drab lavender bags contain 4 mirrored crimson bags, 3 bright violet bags, 5 posh gold bags, 2 bright olive bags.
+light yellow bags contain 1 posh brown bag, 2 pale violet bags.
+plaid crimson bags contain 1 plaid green bag, 3 shiny crimson bags.
+pale indigo bags contain 3 clear aqua bags, 2 pale silver bags.
+mirrored bronze bags contain 4 muted tomato bags, 4 bright white bags, 1 faded crimson bag.
+dim teal bags contain 1 muted salmon bag.
+clear violet bags contain 2 dim coral bags, 2 faded beige bags.
+dotted silver bags contain 2 posh plum bags, 4 pale chartreuse bags.
+pale gold bags contain 2 vibrant gold bags, 1 dotted magenta bag.
+posh crimson bags contain 4 dull yellow bags, 3 clear fuchsia bags.
+dull orange bags contain 3 dull silver bags, 3 clear violet bags, 4 clear chartreuse bags, 3 faded salmon bags.
+striped lime bags contain 5 mirrored plum bags, 4 faded gold bags, 3 wavy white bags, 3 light teal bags.
+mirrored tan bags contain 4 dull silver bags, 4 light coral bags, 2 plaid lavender bags.
+wavy tomato bags contain 4 clear orange bags, 5 shiny fuchsia bags, 3 light red bags.
+dotted teal bags contain 5 dark salmon bags, 1 light indigo bag, 4 pale white bags, 5 clear olive bags.
+bright olive bags contain 1 dark tan bag, 4 striped orange bags, 3 bright orange bags.
+plaid plum bags contain 1 shiny maroon bag, 1 dotted coral bag.
+bright chartreuse bags contain 2 wavy blue bags.
--- a/2020/7/prog.py
+++ b/2020/7/prog.py
@ -0,0 +1,79 @@
+import re
+import json
+
+
+my_bag = "shiny gold"
+
+def get_input(sample = False, sample_number: int = 1):
+    with open("sample_%d" % sample_number if sample else "input", "r") as f:
+        return [line.strip() for line in f.readlines()]
+
+def split_n_bags(string: str):
+    zero_bags = "no other"
+
+    if string == zero_bags:
+        return "", 0
+
+    for i in range(len(string)):
+        if string[i] == " ":
+            return string[i+1:], int(string[:i])
+
+def parse_input(lines: list):
+    ret = {}
+    bag_re = re.compile(" ?bags?[ ,.]?")
+
+    for line in lines:
+        outer, inner = line.split("contain ")
+
+        outer = bag_re.sub("", outer)
+        inner = [bag_re.sub("", x) for x in inner.split(", ")]
+
+        if outer not in ret:
+            ret[outer] = {}
+
+        children = {}
+        for items in inner:
+            bag, n = split_n_bags(items)
+            if n != 0:
+                children[bag] = n
+
+        if len(children) > 0:
+            ret[outer]["children"] = children
+
+        for child in children:
+            if child not in ret: ret[child] = {}
+
+            if "parents" not in ret[child]: ret[child]["parents"] = set()
+            ret[child]["parents"].add(outer)
+    return ret
+
+def fetch_parents_of(child: str, data: dict):
+    if "parents" not in data[child]:
+        return [child]
+    parents = data[child]["parents"]
+
+    parents_total = [child] if child != my_bag else []
+    for parent in parents:
+        parents_total.extend(fetch_parents_of(parent, data))
+
+    return parents_total
+
+def count_parents_of(child: str, data: dict):
+    return len(set(fetch_parents_of(child, data)))
+
+def count_children_of(parent: str, data: dict):
+    if "children" not in data[parent]:
+        return 0
+    children = data[parent]["children"]
+
+    return sum([number + number * count_children_of(child, data) for child, number in children.items()])
+
+
+def get_result(data: dict, sample: bool = False, part: int = 1):
+    if part == 1:
+        return count_parents_of(my_bag, data)
+    else:
+        return count_children_of(my_bag, data)
+
+if __name__ == "__main__":
+    print(get_result(parse_input(get_input()), part = 2))
--- a/2020/7/sample_1
+++ b/2020/7/sample_1
@ -0,0 +1,9 @@
+light red bags contain 1 bright white bag, 2 muted yellow bags.
+dark orange bags contain 3 bright white bags, 4 muted yellow bags.
+bright white bags contain 1 shiny gold bag.
+muted yellow bags contain 2 shiny gold bags, 9 faded blue bags.
+shiny gold bags contain 1 dark olive bag, 2 vibrant plum bags.
+dark olive bags contain 3 faded blue bags, 4 dotted black bags.
+vibrant plum bags contain 5 faded blue bags, 6 dotted black bags.
+faded blue bags contain no other bags.
+dotted black bags contain no other bags.
--- a/2020/7/sample_2
+++ b/2020/7/sample_2
@ -0,0 +1,7 @@
+shiny gold bags contain 2 dark red bags.
+dark red bags contain 2 dark orange bags.
+dark orange bags contain 2 dark yellow bags.
+dark yellow bags contain 2 dark green bags.
+dark green bags contain 2 dark blue bags.
+dark blue bags contain 2 dark violet bags.
+dark violet bags contain no other bags.
--- a/2020/7/test.py
+++ b/2020/7/test.py
@ -0,0 +1,26 @@
+from prog import *
+import yaml
+
+inp_1 = parse_input(get_input(sample = True))
+inp_2 = parse_input(get_input(sample = True, sample_number = 2))
+
+
+result_1 = get_result(inp_1)
+print(f"{result_1 = }")
+print(f"{result_1 == 4}")
+print()
+
+
+#  print(yaml.dump(inp_1))
+result_2_1 = get_result(inp_1, part = 2)
+
+print(f"{result_2_1 = }")
+print(f"{result_2_1 == 32}")
+print()
+
+#  print(yaml.dump(inp_2))
+result_2_2 = get_result(inp_2, part = 2)
+print(f"{result_2_2 = }")
+print(f"{result_2_2 == 126}")
+print()
+
--- a/2020/8/pycache/prog.cpython-38.pyc
+++ b/2020/8/pycache/prog.cpython-38.pyc
--- a/2020/8/input
+++ b/2020/8/input
@ -0,0 +1,654 @@
+acc +45
+nop +631
+acc +12
+acc -10
+jmp +127
+acc +28
+jmp +460
+jmp +619
+acc +15
+jmp +277
+nop +83
+acc +40
+acc +34
+acc +15
+jmp +108
+acc +10
+nop +61
+jmp +485
+jmp +44
+acc +3
+jmp +460
+acc +46
+acc +32
+jmp +12
+acc -1
+jmp +213
+acc +40
+acc +4
+nop +97
+acc +18
+jmp +613
+acc +15
+acc +14
+nop +374
+jmp +487
+jmp +1
+acc -1
+acc +32
+jmp +1
+jmp +418
+acc +10
+acc -9
+jmp +1
+jmp +117
+acc -5
+nop +539
+nop +456
+jmp +191
+acc +16
+jmp +431
+jmp +341
+acc -17
+acc +22
+acc +33
+acc +15
+jmp +152
+nop +277
+jmp +394
+acc -13
+acc +49
+acc -19
+jmp -26
+acc -5
+acc +13
+jmp +49
+acc +37
+acc +49
+nop +420
+acc +38
+jmp +515
+nop +168
+acc +22
+nop +151
+acc +25
+jmp +504
+acc -16
+jmp +73
+acc -6
+acc +40
+acc +9
+jmp +143
+acc +40
+acc -6
+acc +31
+nop +530
+jmp +265
+acc -13
+acc +40
+jmp +312
+acc +36
+jmp -55
+jmp +430
+jmp +551
+acc +10
+acc +18
+nop -25
+jmp +178
+acc +22
+jmp +176
+jmp +462
+acc +22
+acc +23
+acc +3
+acc +0
+jmp +162
+acc +0
+acc +27
+jmp +100
+nop +234
+acc +3
+nop +70
+nop +112
+jmp -62
+acc +8
+jmp +214
+jmp -38
+acc -15
+acc +48
+jmp +289
+nop +6
+nop +523
+jmp +286
+nop -9
+jmp +234
+jmp -74
+acc +33
+acc +14
+nop -11
+jmp -37
+acc +30
+jmp +277
+acc +35
+acc +4
+jmp +96
+acc +26
+nop +256
+acc -14
+jmp +389
+acc -19
+acc -12
+jmp +397
+jmp +477
+nop +141
+acc +21
+acc +16
+nop +29
+jmp +407
+acc +48
+jmp +243
+acc +43
+acc +41
+nop +384
+acc +24
+jmp +180
+jmp +372
+jmp +44
+acc +4
+nop +234
+acc +49
+jmp +343
+acc +0
+jmp -91
+acc -8
+acc +26
+jmp -9
+acc +37
+nop +321
+jmp +143
+jmp +278
+jmp -38
+acc +46
+nop +67
+acc +32
+jmp +445
+nop +143
+acc +35
+acc -19
+acc +33
+jmp +39
+jmp -24
+nop +393
+acc +0
+acc +36
+acc +44
+jmp -134
+acc +31
+acc +37
+acc +5
+acc -1
+jmp +291
+acc +37
+acc +36
+acc -3
+jmp -183
+acc -10
+acc +29
+acc +7
+acc +32
+jmp +205
+acc +38
+acc +20
+jmp +45
+acc +26
+acc +0
+acc +17
+acc +37
+jmp +289
+acc +20
+acc +6
+acc +18
+jmp -50
+acc +41
+acc +50
+jmp +419
+acc +20
+jmp +333
+jmp +250
+acc +35
+acc +13
+jmp -175
+acc -4
+nop +179
+jmp -57
+jmp +243
+acc -6
+acc +23
+nop -149
+jmp +1
+jmp -97
+acc -14
+acc +26
+acc +5
+nop +6
+jmp -223
+acc +12
+nop +115
+acc +38
+jmp -77
+acc +1
+acc +25
+acc +0
+jmp +276
+acc +37
+acc +31
+acc +7
+jmp +201
+acc +16
+acc +39
+acc +24
+jmp +54
+acc +45
+nop -96
+acc +17
+acc -7
+jmp +339
+acc +6
+jmp +317
+acc +12
+acc -1
+acc -4
+acc +14
+jmp +89
+acc +2
+acc +30
+jmp +60
+jmp +239
+acc +25
+acc -9
+jmp +82
+acc +45
+jmp +1
+nop +3
+jmp +1
+jmp +311
+jmp +142
+acc +36
+nop +253
+jmp +341
+acc +26
+acc +32
+acc +30
+jmp -182
+jmp +184
+jmp +331
+acc +6
+jmp -68
+nop -209
+acc +1
+acc +48
+jmp -23
+acc +11
+acc +30
+acc +45
+acc -3
+jmp -238
+jmp +1
+acc +9
+jmp +45
+acc +45
+jmp +1
+acc +44
+acc +29
+jmp -73
+acc -4
+acc +0
+acc +0
+jmp +294
+acc +35
+acc +21
+jmp +309
+nop +316
+acc -13
+jmp +1
+jmp +324
+acc -14
+acc +42
+jmp -99
+nop -103
+acc +16
+jmp -226
+nop +317
+nop +316
+acc -16
+jmp -192
+acc +33
+nop -47
+jmp -305
+jmp -81
+nop -197
+nop +249
+jmp +157
+nop -85
+jmp -246
+acc +8
+acc -14
+acc +20
+jmp -181
+acc +46
+nop +164
+acc +12
+acc -18
+jmp -199
+acc +10
+acc -9
+acc +17
+acc +15
+jmp +134
+acc -17
+acc -3
+jmp +18
+acc +35
+acc -14
+jmp +254
+acc -4
+acc +41
+acc +45
+jmp -346
+acc -18
+acc +41
+acc +48
+acc +27
+jmp -33
+acc -1
+acc -3
+acc +11
+acc -13
+jmp -224
+acc +22
+nop -73
+acc -12
+acc -18
+jmp +213
+jmp +1
+acc +39
+acc +19
+jmp +66
+jmp +126
+acc +37
+acc -17
+acc +17
+jmp -4
+acc -6
+acc +18
+acc +9
+acc -7
+jmp -195
+acc +33
+acc +24
+acc +25
+acc -19
+jmp -340
+acc +40
+acc +10
+acc +23
+jmp -308
+jmp +1
+acc +9
+jmp +1
+nop +104
+jmp +233
+jmp -24
+acc +29
+jmp -367
+acc -15
+jmp +107
+acc +12
+jmp +89
+nop -381
+jmp +1
+acc -2
+nop +233
+jmp +238
+acc +46
+acc -15
+acc +47
+jmp -290
+nop -323
+acc -9
+acc -6
+acc +0
+jmp -315
+acc +21
+nop +196
+acc +24
+acc +18
+jmp -49
+acc +21
+jmp +1
+jmp -47
+acc +49
+nop -120
+jmp -413
+acc +30
+jmp -284
+acc -17
+jmp -212
+nop +39
+nop -87
+acc -18
+jmp -122
+jmp -90
+nop +76
+jmp -277
+acc +34
+acc +49
+jmp +92
+nop +168
+acc -1
+acc +0
+jmp +26
+jmp -270
+jmp +1
+acc +14
+acc +11
+jmp +41
+acc -15
+jmp +144
+jmp +149
+acc +48
+jmp -260
+acc +27
+acc -3
+jmp +105
+acc +47
+acc -10
+jmp -316
+acc -4
+acc +41
+acc -3
+nop -289
+jmp -332
+nop -281
+nop -379
+nop +62
+jmp -456
+acc +34
+acc +23
+jmp +52
+acc +7
+jmp -374
+acc -18
+acc +45
+jmp +53
+acc +29
+nop -407
+acc +34
+jmp +9
+acc +49
+acc -1
+acc -1
+jmp +1
+jmp -55
+acc -3
+acc +5
+jmp -280
+jmp +1
+acc -13
+nop -173
+jmp -131
+acc +5
+acc +34
+jmp +105
+jmp -56
+jmp -485
+acc -14
+nop -389
+acc +13
+acc +27
+jmp -482
+nop -418
+jmp -394
+acc -9
+jmp -435
+acc -14
+nop -172
+acc +43
+jmp -159
+jmp +67
+acc +9
+acc +22
+jmp +15
+nop -405
+jmp -406
+jmp +1
+acc -19
+jmp -118
+acc +49
+jmp -385
+jmp +90
+acc -10
+jmp +10
+acc +8
+nop -315
+acc -14
+jmp -167
+jmp +49
+jmp -49
+jmp -275
+acc -1
+jmp -136
+acc +24
+acc +45
+jmp -259
+acc +2
+nop -370
+acc -18
+acc +4
+jmp -45
+acc +9
+jmp -542
+nop -39
+nop -16
+jmp +66
+acc -1
+nop -59
+acc +23
+acc -8
+jmp -91
+acc +7
+acc +37
+jmp -400
+acc +39
+jmp -162
+nop -346
+acc +5
+acc +50
+jmp -115
+jmp -141
+acc +2
+acc -18
+nop -179
+acc -19
+jmp -306
+acc -10
+acc +30
+jmp -115
+nop -47
+jmp -82
+acc +9
+acc -4
+jmp -139
+acc +18
+acc +16
+jmp -241
+jmp +1
+acc -3
+acc +11
+jmp -309
+acc +3
+acc +0
+acc +40
+jmp +1
+jmp -369
+acc +31
+jmp +1
+acc +35
+jmp -427
+acc +5
+acc -2
+jmp -26
+acc +29
+nop -121
+acc +6
+jmp -86
+nop -294
+jmp -391
+acc +50
+nop -96
+nop -325
+nop -134
+jmp -355
+acc +6
+jmp +1
+jmp -396
+nop -440
+jmp -89
+acc +22
+jmp -437
+acc +41
+acc +8
+acc +29
+jmp -603
+acc -18
+acc +16
+acc +42
+jmp -339
+acc +43
+acc -19
+nop -168
+nop -253
+jmp -198
+jmp -613
+jmp -346
+acc -4
+acc +7
+acc +40
+jmp -294
+jmp -423
+acc -4
+acc +48
+acc +41
+jmp +1
+jmp -49
+acc +4
+acc +28
+acc +9
+acc +38
+jmp -522
+jmp -5
+acc +3
+acc +6
+acc -8
+acc +44
+jmp +1
--- a/2020/8/prog.py
+++ b/2020/8/prog.py
@ -0,0 +1,62 @@
+def get_input(sample = False):
+    with open("sample" if sample else "input", "r") as f:
+        return [line.strip() for line in f.readlines()]
+
+def parse_instruction(instruction: str):
+    return instruction[:3], int(instruction[4:])
+
+def cmd_n_to_instruction(cmd, n):
+    return str(cmd) + " " + (f"+{n}" if n >= 0 else f"{n}")
+
+
+def instruction_results(cmd, n, i, acc):
+    if cmd == "nop":
+        return i + 1, acc
+    elif cmd == "jmp":
+        return i + n, acc
+    elif cmd == "acc":
+        return i + 1, acc + n
+
+
+def get_result(instructions: list, part = 1):
+    acc = 0
+    i = 0
+
+    if part == 1:
+        visited = set()
+        while i not in visited:
+            visited.add(i)
+
+            i, acc = instruction_results(*parse_instruction(instructions[i]), i, acc)
+    else:
+        history = []
+        revert = False
+        switched_indices = set()
+
+        while i < len(instructions):
+            cmd, n = parse_instruction(instructions[i])
+
+            if i in history:
+                revert = True
+
+            if not revert:
+                history.append(i)
+                i += n if cmd == "jmp" else 1
+            else:
+                if cmd in ["jmp", "nop"] and i not in switched_indices:
+                    instructions[i] = cmd_n_to_instruction("jmp" if cmd == "nop" else "nop", n)
+                    switched_indices.add(i)
+                    revert = False
+                else:
+                    i = history[-1]
+                    history = history[:-1]
+
+        for i in history:
+            cmd, n = parse_instruction(instructions[i])
+            if cmd == "acc":
+                acc += n
+
+    return acc
+    
+if __name__ == "__main__":
+    print(get_result(get_input(), part = 2))
--- a/2020/8/sample
+++ b/2020/8/sample
@ -0,0 +1,9 @@
+nop +0  |
+acc +1  | 1
+jmp +4  |
+acc +3  | 5
+jmp -3  | 
+acc -99 |
+acc +1  | 1
+jmp -4  |
+acc +6  |
--- a/2020/8/test.py
+++ b/2020/8/test.py
@ -0,0 +1,13 @@
+from prog import *
+
+inp = get_input(sample = True)
+
+result_1 = get_result(inp)
+expected_1 = 5
+
+print(f"{result_1 = } {result_1 == expected_1}")
+
+result_2 = get_result(inp, part = 2)
+
+expected_2 = 8
+print(f"{result_2 = } {result_2 == expected_2}")
--- a/2020/9/pycache/prog.cpython-38.pyc
+++ b/2020/9/pycache/prog.cpython-38.pyc
--- a/2020/9/input
+++ b/2020/9/input
--- a/2020/9/prog.py
+++ b/2020/9/prog.py
@ -0,0 +1,58 @@
+import yaml
+
+def get_input(sample = False):
+    with open('sample' if sample else 'input', 'r') as f:
+        return [int(line) for line in f.readlines()]
+
+
+def get_preamble(data: list, size: int):
+    preamble = {}
+
+    for i in range(size):
+        x = data[i]
+        for j in range(i + 1, size):
+            y = data[j]
+            preamble[(x, y)] = x + y
+
+    return preamble
+
+def print_preamble(dic: dict):
+    for keys, value in dic.items():
+        print(f"{keys}: {value}")
+
+def get_result(data: list, part = 1, sample = False):
+    if part == 1:
+        pre_size = 5 if sample else 25
+        preamble = get_preamble(data, pre_size)
+
+        for i in range(pre_size, len(data)):
+
+            elem = data[i]
+
+            if elem not in preamble.values():
+                return elem
+
+            elem_to_pop = data[i - pre_size]
+            new_preamble = {}
+            for keys, value in preamble.items():
+                if elem_to_pop not in keys:
+                    new_preamble[keys] = value
+            preamble = new_preamble
+
+            for p in range(i - pre_size + 1, i):
+                elem_p = data[p]
+                preamble[(elem, elem_p)] = elem_p + elem
+
+    else:
+        objective = get_result(data, part = 1, sample = sample)
+        for length in range(2, len(data)):
+            for i in range(len(data) - length):
+                tmp = data[i:i+length]
+                if sum(tmp) == objective:
+                    return min(tmp) + max(tmp)
+
+
+
+if __name__ == "__main__":
+    print(get_result(get_input(), part = 2))
+
--- a/2020/9/sample
+++ b/2020/9/sample
@ -0,0 +1,20 @@
+35
+20
+15
+25
+47
+40
+62
+55
+65
+95
+102
+117
+150
+182
+127
+219
+299
+277
+309
+576
--- a/2020/9/test.py
+++ b/2020/9/test.py
@ -0,0 +1,15 @@
+from prog import *
+
+inp = get_input(sample = True)
+
+size = 5
+
+result_1 = get_result(inp, sample = True)
+expected_1 = 127
+
+print(f"{result_1 = } {result_1 == expected_1}")
+
+result_2 = get_result(inp, part = 2, sample = True)
+expected_2 = 62
+print(f"{result_2 = } {result_2 == expected_2}")
+