```python def zi_fu_chuan(a, b, c, d=1): if d == 4: options = [f"{a}.{3}", f"{b}.{3.1}", f"c.{4}", f"d.{3.14}"] print(";".join(options)) ``` [2024-11-14 13:46:15 | AI写代码神器 | 74点数解答]