error：pip install virtualenv
Successfully built filelock scandir
Installing collected packages: configparser, contextlib2, scandir, pathlib2, zipp, importlib-m etadata, appdirs, filelock, typing, singledispatch, importlib-resources, distlib, virtualenv
Could not install packages due to an EnvironmentError: [Errno 13] Permission denied: '/usr/loc al/lib/python2.7/dist-packages/configparser.py'
Consider using the `--user` option or check the permissions.
You are using pip version 18.1, however version 20.2.3 is available.
You should consider upgrading via the 'pip install --upgrade pip' command.
Installing collected packages: configparser, contextlib2, scandir, pathlib2, zipp, importlib-m etadata, appdirs, filelock, typing, singledispatch, importlib-resources, distlib, virtualenv
Could not install packages due to an EnvironmentError: [Errno 13] Permission denied: '/usr/loc al/lib/python2.7/dist-packages/configparser.py'
Consider using the `--user` option or check the permissions.
You are using pip version 18.1, however version 20.2.3 is available.
You should consider upgrading via the 'pip install --upgrade pip' command.
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