Unixcop published a tutorial about installing Python 3.11 on Ubuntu 22.04.

How to install Python 3.11 on Ubuntu 22.04

If you are a Python developer, then you know that it pays to have recent versions to take full advantage of the language. Today, you will learn how to install Python 3.11 on Ubuntu 22.04. In addition to this, you will be able to set one as the default on the system. 

How to install Python 3.11 on Ubuntu 22.04 - Unix / Linux the admins Tutorials