18 lines
431 B
Python
18 lines
431 B
Python
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text: str
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with open("test.txt") as f:
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text = f.read()
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lines: list[str] = text.splitlines()
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data: list[list[str]] = [line.split(" ") for line in lines]
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right_data: list[str] = [tmp[1] for tmp in data]
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left_data: list[str] = [tmp[0] for tmp in data]
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right: list[int] = list(map(int, right_data))
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left: list[int] = list(map(int, left_data))
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right.sort()
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left.sort()
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print(sum(map(abs, [x * right.count(x) for x in left])))
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