30 lines
503 B
Python
30 lines
503 B
Python
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with open("sample.txt") as f:
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fish = [int(n) for n in f.read().split(',')]
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def advance(fish):
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tomorrow = []
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spawn = 0
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for f in fish:
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if f == 0:
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tomorrow.append(6)
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spawn += 1
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else:
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tomorrow.append(f-1)
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for i in range(spawn):
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tomorrow.append(8)
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return tomorrow
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def part1(fish):
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for i in range(80):
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fish = advance(fish)
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return len(fish)
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print(part1(fish))
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## TOO LONG
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# def part2(fish):
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# for i in range(256):
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# fish = advance(fish)
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# return len(fish)
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# print(part2(fish))
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