本书的所有主题都是基于已经存在的代码和技术，而不是专门去寻找Python3特有的教程。 在原有代码基础上，完全使用最新的Python技术去改造。 所以，任何想使用最新技术编写代码的程序员，都可以将本书当做一本很好的参考书籍 Portable, powerful, and a breeze to use, Python is the popular open source object-oriented programming language used for both standalone programs and scripting applications. Completely updated for Python 3, the recipes in this book include: Data structures and algorithms Strings and text Dates and times Metaprogramming Testing With scores of practical examples and pertinent background information, the Python C ookbook, 3rd Edition is the one source you need if you're looking to build efficient, flexible, scalable, and well-integrated systems. ookbook, 3rd Edition is the one source you need if you're looking to build efficient, flexible, scalable, and well-integrated systems.