解决python “No module named pip”的方法

C:\Users\******>pip install --upgrade pip
Collecting pip
  Using cached pip-20.3.3-py2.py3-none-any.whl (1.5 MB)
Installing collected packages: pip
  Attempting uninstall: pip
    Found existing installation: pip 20.2.3
    Uninstalling pip-20.2.3:
ERROR: Could not install packages due to an EnvironmentError: [WinError 5] 拒绝访问。: 'e:\\python39\\scripts\\pip.exe'
Consider using the `--user` option or check the permissions.

You should consider upgrading via the 'pip install --upgrade pip' command.

提示有新版本了，可以升级pip（但是注意要把pip命令替换成pip3）

pip3 install --upgrade pip

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解决python “No module named pip”

python 升级后导致不能使用原来的pip命令

windows平台：

cmd中输入命令：python -m ensurepip

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