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关于windows下py --version与python --version的问题

in Technique[技术] by (71.8m points)

在Windows下，为什么使用python --version显示的版本是2.7的，而使用py --version则显示3.8
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by (71.8m points)

windows 下..你在 cmd 里 echo %PATH% 看下输出的路径里面,是不是有两个 python 的安装目录, 你保留你要的版本,把不要的版本从环境变量里面删掉


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