Ubuntu16.04 upgrade from native python3.5 to 3.6

1. upgrade ：

Reference resources ：https://blog.csdn.net/qq_32216809/article/details/86347926

Ubuntu The built-in version is python2.7 and 3.5

Enter the command

sudo add-apt-repository ppa:jonathonf/python-3.6

• Enter the command

sudo apt-get update

• Enter the command

sudo apt-get install python3.6

• 1 If necessary, press Yes Oh

adjustment Python3 The priority of the , bring 3.6 High priority

sudo update-alternatives --install /usr/bin/python3 python3 /usr/bin/python3.5 1
sudo update-alternatives --install /usr/bin/python3 python3 /usr/bin/python3.6 2

• Now the system python The default is Python2, Need to change to Python3

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

• Enter again now python The latest 3.6.7 Version of the