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  1. import re
  2.  
  3. def separador(numero, separador='-'):
  4.     return re.sub(
  5.         r'([02468]{2,})', 
  6.         lambda matches: separador.join(matches.group(0)), 
  7.         numero
  8.     )
  9.  
  10. print(separador('02368859'))
Success #stdin #stdout 0.01s 27712KB
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Standard input is empty
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0-236-8-859
https://ideone.com/PaajG6
language:
Python 3 (python  3.9.5)
created:
4 years ago
visibility:
public

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