I'm also just starting with programming in python on the omega.
I just did the e-mail-sending (https://wiki.onion.io/Tutorials/Sending-Emails-With-Python)
Works great - never done something like this before...
I've read something about an GPIO-library for python but can't find it at the moment.
There is just this article at the Tutorials: https://wiki.onion.io/Tutorials/Using-the-GPIOs