ERROR: Could not install packages due to an EnvironmentError: [WinError 5]

Python 安裝庫出現以下錯誤： ERROR: Could not install packages due to an EnvironmentError: [WinError 5] 拒絕訪問。: ‘C:\anocoda\Lib\site-packages\cv2\cv2.cp37-win_amd64.pyd’ 解決方法：在安裝命令後面加 --user pip install opencv_co

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