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  1. n = 4
  2. words1 = ["free", "sushi", "on", "mondays"]
  3.  
  4. m = 4
  5. words2 = ["play", "for", "blue", "bananas"]
  6.  
  7. common_columns = set(words1) & set(words2)
  8. max_length = 0
  9. result = ""
  10.  
  11. for column in common_columns:
  12. if len(column) > max_length:
  13. max_length = len(column)
  14. result = column
  15.  
  16. if result:
  17. print(result)
  18. else:
  19. print("-")
Success #stdin #stdout 0.03s 9552KB
stdin
Standard input is empty
stdout
-