16 lines
367 B
Python
16 lines
367 B
Python
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import re
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import sys
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def substitute(m):
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string = re.sub(r".", "x", m.group(3))
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return re.sub(r"(\W*\w+\b\W*)(\w+\b\W*)(\w+)(.*)", r"\1\2"+string+r"\4", m.group(0))
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for line in sys.stdin:
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match = re.search(r"(\W*\w+\b\W*)(\w+\b\W*)(\w+)(.*)", line)
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if match:
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print(substitute(match).rstrip("\n"))
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else:
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print(line.rstrip("\n"))
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