说明：  流畅的python高清中文原版，中级开发者适用，了解语言本身特色
(Fluent Python is dedicated to helping Python developers to tap the excellent features of this language and related libraries, avoid repetitive work, and write concise, fluent, readable, maintainable, and authentic Python style code. In particular, this book explores the advanced usage of Python language, including data structure, python style objects, parallelism and concurrency, and metaprogramming)