https://www.cnblogs.com/chjxbt/p/10517952.html 版本切换 https://www.itsupportwale.com/blog/how-to-upgrade-to-python-3-7-on-ubuntu-18-10/ 相关文章： 2021-12-12 2022-01-27 2021-04-11 2022-12-23 2021-04-06 2022-03-09 2022-12-23