14 lines
213 B
Python
14 lines
213 B
Python
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#!/usr/bin/env python
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report = dict()
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with open("input01.txt","r") as f:
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for line in f:
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num1 = int(line)
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report[num1] = True
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num2 = 2020 - num1
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if report.get(num2, False):
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print(num1*num2)
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break
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