15 lines
345 B
Python
15 lines
345 B
Python
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import re
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import sys
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def repl(char):
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x = char.group(0)
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output_str = ""
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for c in x:
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c = c.swapcase()
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output_str += c
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return output_str
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for line in sys.stdin:
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print(re.sub(r'\b[a-ząćęłńóśźż]+[A-ZĄĆĘŁŃÓŚŹŻ]+\b|\b[A-ZĄĆĘŁŃÓŚŹŻ]+[a-ząćęłńóśźż]+\b', repl, line).rstrip('\n'))
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