拼接:"+"号(同类型可拼接) >>>li = [1,2] >>>li + li [1,2,1,2] >>>li*2 [1,2,1,2] >>>li [1,2] View Code 相关文章: 2021-12-28 2021-11-29 2022-12-23 2021-05-21 2021-10-19