Choosing the Right Data Structure

If you're programming in python, you got to be really, really familiar with lists and with dictionaries. Everyone y programs in python should be an expert on dictionaries. I think knowing all these data structures will help you a lot when doing those interviews. We don't do a lot of work in the book with trees, which some people might find surprising,. But i'd say that's a common hole that people have as not being familiar with how to structure a tree.