Ubuntu18.04安装python3.6、python3.7和python3.8

Ubuntu 18.04.3 LTS
apt方式
使用root用户或具有sudo访问权限的用户身份运行以下命令

apt update

apt install software-properties-common

add-apt-repository ppa:deadsnakes/ppa

3.6.9

apt install python3.6

python3.6

3.7.4

apt install python3.7

python3.7

3.8.1

apt install python3.8

python3.8