[Python 2.7.3] What's the difference between these two uses of "for"?

[Roy Smith]

In article <51467f6f$0$6599$c3e8da3$5496439d at news.astraweb.com>,
 Steven D'Aprano <steve+comp.lang.python at pearwood.info> wrote:

> there are at least three ways to 
> post to this group:
> 
> 1) Email to python-list at python.org
> 
> 2) Post to the news group comp.lang.python on Usenet
> 
> 3) Email to comp.lang.python at googlegroups.com

Amongst the ways, there are....