官网中这几个版本有什么区别呢？

Download Standard Python Software
Note: there's a security fix for Python 2.2, 2.3 and 2.4. Of the releases below, only 2.4.4 and 2.5 and later include the fix.

The current production version is Python 2.5.2. You should start here if you want to learn Python or if you want the most stable version. Here are some quick download links. For the MD5 checksums and OpenPGP signatures, look at the detailed Python 2.5.2 page:

Python 2.5.2 compressed source tarball (for Unix or OS X compile)

Python 2.5.2 bzipped source tarball (for Unix or OS X compile, more compressed)


Python 2.5.2 Windows installer
(Windows binary -- does not include source)

Python 2.5.2 Windows AMD64 installer (Windows AMD64 binary -- does not include source)

Python 2.5.2 Windows Itanium installer (Windows Itanium binary -- does not include source)

Python 2.5.2 for Macintosh OS X -- this is a universal installer that runs native on both PPC and Intel Macs.

This is a list of the standard releases, both source and Windows installers. Consider your needs carefully before using a version other than the current production version:

对不同的机器，以及系统有对应的版本哦。

编程之前，先弄清楚操作系统的概念、计算机体系结构的概念。

哈哈。貌似还有知道是32位，还是64位