Install Python 3 9 for graphic in Ubuntu 20 04 from source

the python install for running graphic python program in Ubuntu 20.04 Linux from source vs code shout-cut key setup: https://www.youtube.com/watch?v=Z6YNQ... download the script from GitHub: https://github.com/jason557/InstallPython3.9.git Install Python 3 9 for graphic in Ubuntu 20 04 by install manager https://youtu.be/-jbhaJS7kSw