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  1. phones = ['00-44    48 5555 8361', '34535 43 - 23', '023423 1 2-00',
  2.           '345345345345', '(345)-345765 345 75', '8(913)345-341  2 3']
  3.  
  4. def canon_number(number):
  5. 	digits = [c for c in number if c.isdigit()]
  6. 	remainder = len(digits) % 3
  7. 	head = "{}{}{}-" * (len(digits) // 3 - 1)
  8.  
  9. 	if remainder == 1:
  10. 		tail = "{}{}-{}{}"
  11. 	elif remainder == 2:
  12. 		tail = "{}{}{}-{}{}"
  13. 	else:
  14. 		tail = "{}{}{}"
  15.  
  16. 	return (head + tail).format(*digits)
  17.  
  18.  
  19.  
  20. for phone in phones:
  21. 	print(canon_number(phone))
  22.  
Success #stdin #stdout 0.02s 27616KB
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stdin
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stdout
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004-448-555-583-61
345-354-323
023-423-12-00
345-345-345-345
345-345-765-345-75
891-334-534-123
https://ideone.com/xa67wD
language:
Python 3 (python  3.12)
created:
8 years ago
visibility:
public

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