python 3.7.9 ubuntu code example
Example 1: linux ubuntu install python 3.7
sudo apt-get install python3.7
Example 2: install python3.7 ubuntu 20.04
sudo add-apt-repository ppa:deadsnakes/ppa
sudo apt-get update
sudo apt-get install python3.7
sudo apt-get install python3.7
sudo add-apt-repository ppa:deadsnakes/ppa
sudo apt-get update
sudo apt-get install python3.7