Oh yea! Definitely let him learn more python as you can code some cool stuff using python and raspberry pi. I even have a little booklet that teaches some basics in using the raspberry pi such as setting up, freezing water, building a basic warehouse quickly, teleporting etc.
There are definitely some online resources that gives some nice guides. This will also help him expand his knowledge in Python and have fun with it!
(If you want the booklet, I can link it to you. I'll need to upload it first. It contains some basic stuff, the code and a summary of what's learned).