https://www.cnblogs.com/meitian/p/4649173.html 列表合并:list.extend(list2),等价list+=list2, 会将list2合并到list中, 相关文章: 2022-12-23 2021-07-21 2022-01-05 2022-01-02 2021-06-19 2022-12-23