36 lines
985 B
Python
36 lines
985 B
Python
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# SPDX-License-Identifier: MIT
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# Copyright (c) 2020 Akumatic
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#
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# https://adventofcode.com/2020/day/6
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def readFile() -> list:
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with open(f"{__file__.rstrip('code.py')}input.txt", "r") as f:
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return [line.split() for line in f.read().strip().split("\n\n")]
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def count(groups: list, everyone: bool) -> int:
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result = 0
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for group in groups:
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answers = {chr(c):0 for c in range(97, 123)}
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for answer in group:
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for letter in answer:
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answers[letter] += 1
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if everyone:
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result += sum([1 for letter in answers if answers[letter] == len(group)])
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else:
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result += sum([1 for letter in answers if answers[letter]])
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return result
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def part1(groups: list) -> int:
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return count(groups, False)
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def part2(seat_ids: list) -> int:
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return count(groups, True)
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if __name__ == "__main__":
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groups = readFile()
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print(f"Part 1: {part1(groups)}")
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print(f"Part 2: {part2(groups)}")
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