笨办法学 Python （第三版）

说明：  笨办法学python，本文件仅作为学习交流使用，应遵从原作者意愿，不得用作商业用途
(Learn Python the hard way (lpthw) is a python introduction book written by zed Shaw. It is suitable for those who don't know much about computer, have not learned programming, but are interested in programming. This book guides the readers step by step to learn programming in the form of exercises, from simple printing to the realization of the complete project. Maybe reading this book does not mean that you have learned programming, but at least you will have a preliminary understanding of programming language and programming industry.)