说明：  本书描述了Python程序的基本构件：类型、操作符、语句、函数、模块、类以及异常，介绍了更多高级主题，包括复杂的实例。 本书适合Python初学者，以及已经入门但想继续学习和提高自身Python技巧的程序员。
(This book describes the basic components of Python programs: types, operators, statements, functions, modules, classes, and exceptions, and introduces more advanced topics, including complex examples. This book is suitable for beginners of Python and programmers who have already started but want to continue to learn and improve their Python skills.)