install python3 and pip ubunto code example

Example 1: how to install python3 in ubuntu

sudo apt update
sudo apt install software-properties-common
sudo add-apt-repository ppa:deadsnakes/ppa
sudo apt update
sudo apt install python3.8

Example 2: how to install pip ubuntu python2

curl https://bootstrap.pypa.io/get-pip.py --output get-pip.py