```python def zi_fu_chuan(a, b, c, d=1): if d == 4: options = ['a.' + str(3), 'b.' + str(3.1), 'c.' + str(4), 'd.' + str(3.14)] print(a + '\n' + b + '\n' + str(c) + '、' + ' '.join(options)) ``` [2024-11-14 13:44:47 | AI写代码神器 | 98点数解答]