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  1. import re
  2. test_str = "2890191245"
  3. print(re.sub("(?<=\d)(?=(\d{3})+$)", ",", test_str).split(","))
Success #stdin #stdout 0.02s 9936KB
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Standard input is empty
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['2', '890', '191', '245']
https://ideone.com/Zyy3Ol
language:
Python 3 (python  3.9.5)
created:
8 years ago
visibility:
public

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