upgrade python on ubuntu20 code example
Example 1: how to install python 3 on ubuntu 20.04
sudo apt install build-essential libssl-dev libffi-dev python3-dev
Example 2: how to install python 3 on ubuntu 20.04
sudo apt install -y python3-venv
sudo apt install build-essential libssl-dev libffi-dev python3-dev
sudo apt install -y python3-venv