本书是python 编程语言的权威参考指南，书中详尽解释了python 核心语言和python 库中最重要的部分，涉及类型和对象、操作符和表达式、编程结构和控制流、输入和输出、测试、调试等，也包括一些python官方文档或其他参考资料中未提及的高级主题。 　　(This book is the definitive reference guide for the python programming language, the book explains the most important core of Python language and python Library in part, involving types and objects, operators and expressions, programming structure and control flow, input and output, testing and debugging, including some Python official documents or not mentioned in other references in the advanced topics.)