find the best resource

Python Pocket Reference, 4th Edition

Mark Lutz

resource info
Python Pocket Reference, 4th Edition redirect to download page

This is the book to reach for when you're coding on the fly and need an answer now. It's an easy-to-use reference to the core language, with descriptions of commonly used modules and toolkits, and a guide to recent changes, new features, and upgraded built-ins -- all updated to cover Python 3.x as well as version 2.6. You'll also quickly find exactly what you need with the handy index.