~~~ jinzhi = { '0': 0, '1': 1, '2': 10, '3': 11, '4': 100, '5': 101, '6': 110, '7': 111, '8': 1000, '9': 1001, '10': 1010, } for i, b in jinzhi.items(): print(i, '=>', b) ~~~