ubuntu16.04中切换默认python

 ubuntu16.04中将python3设置为默认

sudo update-alternatives --install /usr/bin/python python /usr/bin/python2 100
sudo update-alternatives --install /usr/bin/python python /usr/bin/python3 150

 ubuntu16.04中将python2设置为默认,按照提示输入选择数字回车即可。

sudo update-alternatives --config python

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转载自blog.csdn.net/supramolecular/article/details/84031654