A look at Sarah's Dream. How Blender was used to create a short animation for this "Make a Wish Foundation" project. And a look at Gnome production - The art, process & technical challenges.
Python is bundled with Blender. Blenders user interface is written mostly with Python. Also, Blender developers, and people from the Blender community, write add-ons with Python that come with Blender, or that are published online.