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  1. x = input()
  2.  
  3. list_1 = ['a1', 'a2', 'a3', 'a4']
  4. list_2 = ['b1', 'b2', 'b3', 'b4']
  5. list_3 = ['c1', 'c2', 'c3', 'c4']
  6.  
  7. s = [list_1, list_2, list_3]
  8.  
  9. print(s[int(x)])
  10.  
Success #stdin #stdout 0.04s 9616KB
stdin
2
stdout
['c1', 'c2', 'c3', 'c4']