windows系统升级python

卸载python最干净的办法

https://blog.csdn.net/ic_zswdbk/article/details/88315779?utm_medium=distribute.pc_relevant.none-task-blog-BlogCommendFromMachineLearnPai2-1.nonecase&depth_1-utm_source=distribute.pc_relevant.none-task-blog-BlogCommendFromMachineLearnPai2-1.nonecase

重新下载安装

https://www.cnblogs.com/mengjinxiang/p/12670282.html