python安装和配置

 

下载地址

https://www.python.org

下一步同时下载python3/python2

 

 

 

 

 

安装点下一步即可

安装python3记得选中path

将path的python3的目录选中粘贴在C盘目录下

修改环境变量如下图将python2的环境变量添加到%-APPs之前

 

修改python.exe为python3.exe删除Scripts 中的pip.exe

 

 如此就安装完成了如下

 

pip报错

C:\Users\administrator>python -m pip install -U pip
Requirement already satisfied: pip in c:\python\python310\lib\site-packages (22.2.1)
Collecting pip
Downloading pip-22.2.2-py3-none-any.whl (2.0 MB)
---------------------------------------- 2.0/2.0 MB 12.5 kB/s eta 0:00:00
Installing collected packages: pip
Attempting uninstall: pip
Found existing installation: pip 22.2.1
Uninstalling pip-22.2.1:
Successfully uninstalled pip-22.2.1
Successfully installed pip-22.2.2

C:\Users\administrator>pip -v

利用 python -m pip install -U pip更新即可