3.1【2009-6】

Python3.1

• An ordered dictionary type

  有序的字典类型

• Various optimizations to the int type

  int 类型全方面优化

• New unittest features including test skipping and new assert methods.

  新的语法 assert

  测试跳过功能

• A much faster io module

  io模块优化，速度更快了

• Tile support for Tkinter

  Tkinter 支持使用自定义标题

• A pure Python reference implementation of the import statement

  import 作为原生语法

• New syntax for nested with statements

  嵌套语句新语法