Hey thats great ! No worries on python, this is a good way to learn!
So, basically you are free to pick what you like best ! the above list was compiled with Sylvain then and reflecting prios … but your preference is really also a top priority, so make your pick ! What you should do of course, is check where there is not test coverage yet. The above list might not be fully up to date (some things done), so also feel free to update that wiki then.
Process is typically ask simple questions here and then submit a PR, likely @stas will review it.
Did you see the awesome [test] link in the docs? So, after you register the test with this_tests your ‘oeuvre’ will get published to the fast.ai community via the doc, which links your github code then. Some details in above links and here an announcement from Stas