window,linux python2,python3共存

window 1.分別安裝在不同目錄 python2.7 Python3.5 2、環境變量 C:\Python\python27\Scripts;C:\Python\python27; C:\Program Files\Python35;C:\Program Files\Python35\Scripts; 3.完成 轉載於:https://blog.51cto.com/felixcode/1736

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