ubuntu 20.04 python2 pip code example

Example 1: ubuntu 20.04 pip2 install

sudo apt update
sudo apt install curl
sudo add-apt-repository universe
sudo apt update
sudo curl https://bootstrap.pypa.io/2.7/get-pip.py --output get-pip.py # Fetch get-pip.py for python 2.7 
sudo python2 get-pip.py
pip --version

Example 2: how to install python 3 on ubuntu 20.04

OutputPython 3.8.2