Python is one of my favourite sripting languages as it is easy to learn and something like a swiss knife in programming to me. you can find a lot applications which use Python in some way (good example may be chandler.
To use this in your GIS-applictaions I would like to share a site with you that is hosted by the Penn State University:
I will probably come up with a video-playlist for those examples. Someone out there to help me?