8 lines
182 B
Python
8 lines
182 B
Python
#!/usr/bin/env python3
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import re
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lines = (x.strip() for x in open("input.txt"))
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for line in lines:
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print(re.search(r"(\w)(?!\1)(\w)(?!\1|\2)(\w)(?!\1|\2|\3)(\w)", line).end())
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