pygame安装anEnvironmentError: [WinError 5]和--upgrade pip报错

Step1.cmd命令行输入Pip install pygame 情况一(You are using pip version 18.0, however version 20.0.2 is available.) 删除python lib文件包中site-packages文件夹中的pip-18.0.dist-info Step2.cmd命令行输入python -m pip install --up
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