Create a simple class of dictionaries to make a dictionary of dictionaries. No need for generators, iterators or lambdas. Use a deck of cards for example.

You don’t need heavyweight communication layers for very simple message passing between threads in python. It’s pretty simple to use pipes and implement your own thread class.

I don’t care what anyone says, I like lots of debug output available in my programs. It helps me crank out code faster with less errors. You can keep a private member called debug and just flip it on and off when you want to see the output. It’s a lot cleaner than interjecting prints and echos all over the place.