1回答

• 

  top_zq

  2025-07-22 21:57:05

  # Enter a code

  s1 = '123'

  s2 = 'ABC'

  s3 = 'xyz'

  for c in s1:

      for c2 in s2:

          for c3 in s3:

              print(c+c2+c3)

  
  

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