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  1. import re
  2.  
  3. string = "rocket123 firefly1000 attack577"
  4.  
  5. string_reverse = re.sub(r'\d+', lambda x: x.group(0)[::-1], string)
  6. print(string_reverse)
  7.  
Success #stdin #stdout 0.01s 27800KB
stdin
Standard input is empty
stdout
rocket321 firefly0001 attack775