Python 2.7 a1发布

Python的创始人为Guido van Rossum。在1989年圣诞节期间的阿姆斯特丹，Guido为了打发圣诞节的无趣，决心开发一个新的脚本解释程序，作为ABC语言的一种继承。之所以选中 Python（大蟒蛇的意思）作为程序的名字，是因为他是一个Monty Python的飞行马戏团的爱好者。

下载:•Gzipped source tar ball
下载:•Bzipped source tar ball

Improvements in this release include:

An ordered dictionary type
New unittest features including test skipping and new assert methods.
A much faster io module
Automatic numbering of fields in the str.format() method
Float repr improvements backported from 3.x.
Tile support for Tkinter
A backport of the memoryview object from 3.x
New syntax for nested with statements