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  1. import re
  2. text = "CEEEETTEEEEGGGCCBCTTBHHHHHCCEEEEEEEEETTEETT"
  3. print( re.sub(r'(.)(?=(?!\1).)', r'\1 ', text, flags=re.S) )
Success #stdin #stdout 0.02s 9556KB
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Standard input is empty
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C EEEE TT EEEE GGG CC B C TT B HHHHH CC EEEEEEEEE TT EE TT
https://ideone.com/OzveU9
language:
Python 3 (python  3.12)
created:
3 years ago
visibility:
secret

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