[内容简介]

     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。

[目录]

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