Python 2.7 Beta 2

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下载:ftp/python/2.7/Python-2.7b2.tar.bz2" target=_blank>Python 2.7 Beta 2

Python 2.7 beta 2 was released on May 8th, 2010.

Python 2.7 is scheduled to be the last major version in the 2.x series before it moves into an extended maintenance period. This release contains many of the features that were first released in Python 3.1. 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
• Set literals
• Set and dictionary comprehensions
• Dictionary views
• New syntax for nested with statements
• The sysconfig module

See these resources for further information:

• What's new in 2.7?
• Change log for this release.
• Online Documentation
• Report bugs at .