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  1. import re
  2.  
  3. for s in [ "2121212121", "1188511885", "38593859" ]:
  4.   print(re.sub(r'(.+?)\1+', r'\1', s))
Success #stdin #stdout 0.02s 7228KB
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21
185185
3859
https://ideone.com/vEKfcL
language:
Python (cpython 2.7.16)
created:
3 days ago
visibility:
public

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