比兹利、琼斯所著的《Python Cookbook(影印版第3版)》包含了用Python 3.3编写和测试过的实例，适合于那些希望专注于新工具和新方法的有经验的Python程序员。在这本书里，你将找到十多个技术课题的完整实例，涵盖了核心Python语言和多种应用领域的常见任务。每种实例都包含了你可以直接使用在项目中的样例，以及关于这种解决方案如何和为什么可以奏效的讨论。

如果你需要一些帮助来编写基于Python 3的程序，或者想要更新老一些的Python 2代码，这本书就是入场券。这本比兹利、琼斯所著的《Python Cookbook(影印版第3版)》包含了用，Python 3.3编写和测试过的实例，适合于那些希望专注于新工具和新方法的有经验的Python程序员。

在这本《Python Cookbook(影印版第3版)》里，你将找到十多个技术课题的完整实例，涵盖了核心Python语言和多种应用领域的常见任务。每种实例都包含了你可以直接使用在项目中的样例，以及关于这种解决方案如何和为什么可以奏效的讨论。

Preface

1. Data Structures and Algorithms

 1.1. Unpacking a Sequence into Separate Variables

 1.2. Unpacking Elements from Iterables of Arbitrary Length

 1.3. Keeping the Last N Items

 1.4. Finding the Largest or Smallest N Items

 1.5. Implementing a Priority Queue

 1.6. Mapping Keys to Multiple Values in a Dictionary

 1.7. Keeping Dictionaries in Order

 1.8. Calculating with Dictionaries

 1.9. Finding Commonalities in Two Dictionaries

 1.10. Removing Duplicates from a Sequence while Maintaining Order

 1.11. Naming a Slice

 1.12. Determining the Most Frequently Occurring Items in a Sequence

 1.13. Sorting a List of Dictionaries by a Common Key

 1.14. Sorting Objects Without Native Comparisofi Support

 1.15. Grouping Records Together Based on a Field

 1.16. Filtering Sequence Elements

 1.17. Extracting a Subset of a Dictionary

 1.18. Mapping Names to Sequence Elements

 1.19. Transforming and Reducing Data at the Same Time

 1.20. Combining Multiple Mappings into a Single Mapping

2. Strings and Text

3. Numbers, Dates, and Times

4. Iterators and Generators

5. Files and I/O

6. Data Encoding and Processing

7. Functions

8. Classes and Objects

9 .Metaprogramming

10. Modules and Packages

11. Network and Web Programming

12. Concurrency

13. Utility Scripting and System Administration

14. Testing, Debugging, and Exceptions

15. C Extensions

A. Further Reading

Index