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regu

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Absolute running time: 0.21 sec, cpu time: 0.24 sec, memory peak: 16 Mb, absolute service time: 0,21 sec 
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Error(s), warning(s):
Traceback (most recent call last):
  File "source_file.py", line 6, in <module>
    re.sub(r'\1' * n, s)
TypeError: sub() missing 1 required positional argument: 'string'