Linux Shout published a tutorial about installing Python 3.9 or 3.8 on Ubuntu 22.04 LTS Jammy JellyFish.

Install Python 3.9 or 3.8 on Ubuntu 22.04 LTS Jammy JellyFish

Learn how to use the PPA repository to install Python’s old versions such as 3.9. 3.8, 3.7, and more on Ubuntu 22.04 Jammy JellyFish using the command terminal.  Python is freely available for the common operating systems. The programming language is standard equipment in many Linux distributions. Python can also be used on many mobile operating systems. For web servers, WSGI (Web Server Gateway Interface) is a universal interface between the server and Python. It offers clear syntax and good readability. It is considered easy to learn and can be interpreted in the common operating systems. Python supports several programming

Install Python 3.9 or 3.8 on Ubuntu 22.04 LTS Jammy JellyFish