upgrade python3 version linux code example

Example 1: command to upgrade python version

python -m pip install pip
#or
python -m pip install –upgrade pip
python -m pip install --upgrade pip

Example 2: update python ubuntu

sudo apt-get update && sudo apt-get upgrade
sudo apt-get install python3.7

Example 3: upgrade python to 3.9 i linux

$ sudo apt install python3.9