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  1. indexes_list = [(3, 2), (2, 2), (1, 2)]
  2. b = [['0', '0', '0']] * 4
  3.  
  4. for item in indexes_list:
  5. b[item[0]][item[1]] = '1'
  6.  
  7. print b
Success #stdin #stdout 0.02s 4676KB
stdin
Standard input is empty
stdout
[['0', '0', '1'], ['0', '0', '1'], ['0', '0', '1'], ['0', '0', '1']]