Amazed as he was, he's now forcing me at gun point to write a post about it!
The first thing you have to understand about Python classes is that all they are is a collection of references to members. Methods are just function pointers that are referenced by the class, not embedded or copied into the class. This is why all methods require that the first parameter be
self, the current instance. Instances themselves contain the real state and reference the class. When you invoke a method on the instance it looks up what function to call.