Follow along with the video below to see how to install our site as a web app on your home screen.
Note: This feature currently requires accessing the site using the built-in Safari browser.
If you are still using CentOS 7.9, it's time to convert to Alma 8 with the free centos2alma tool by Plesk or Plesk Migrator. Please let us know your experiences or concerns in this thread: CentOS2Alma discussion
To sum it up, Python is not installed by default nor offer through Plesk, if you want to install it, you would need to download it and install it yourself on your server and it will work perfectly find based off of Plesk's Software Requirements.
You can download it from here and you can learn more about how to install/configure it here.
This does mean you will need to have remote desktop access to the server in question.