19 lines
410 B
Python
19 lines
410 B
Python
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#!/usr/bin/python
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round=80
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data = None
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lanternfish = dict()
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with open("input01.txt","r") as f:
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data = [int(i) for i in f.readline().split(',')]
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for i in range(10):
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lanternfish[i] = data.count(i)
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for r in range(round):
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lanternfish[7] += lanternfish[0]
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lanternfish[9] = lanternfish[0]
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lanternfish = { k-1:v for (k,v) in lanternfish.items() if k > 0}
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print(sum([v for (k,v) in lanternfish.items()]))
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