Here is something that I was surprised to discover the other day : you can nest class definitions inside otherthings. In a way this is just what I should have expected given that class is an executable statement in Python, just like def is ( cf ), but I still found it surprising to see itactually happen.

At least in the simple case, the only thing that nesting a class insideanother class does is make the first class's name harder to get to; theinner class has no special