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  1. for i in range(4):
  2. for j in range(4):
  3. if j == 3 - i:
  4. print(1, end="")
  5. else:
  6. print(0, end="")
  7. print()
Success #stdin #stdout 0.07s 14020KB
stdin
Standard input is empty
stdout
0001
0010
0100
1000