10 lines
175 B
Python
10 lines
175 B
Python
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s = list(input().lower())
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i = ["a", "e", "i", "o", "u", "y"]
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s = [c for c in s if c not in i]
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for idx, i in enumerate(s):
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s[idx] = f".{i}"
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print(''.join(c for c in s))
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