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  1. import re
  2.  
  3. def next_char():
  4.     char = 'a'
  5.     while True:
  6.         yield char
  7.         char = chr(ord(char) + 1)
  8.         if char > 'z':
  9.             char = 'a'
  10.  
  11. seq = next_char()
  12.  
  13. str = 'Today the ---- is cloudy, but there is no ----.'
  14. str = re.sub(r'----', lambda x: ('--' + next(seq) + ')--'), str)
  15.  
  16. print(str)
  17.  
  18.  
Success #stdin #stdout 0.02s 27712KB
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Standard input is empty
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Today the --a)-- is cloudy, but there is no --b)--.
https://ideone.com/Va7RNX
language:
Python 3 (python  3.12)
created:
6 years ago
visibility:
public

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