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From: Ian Kelly <ian.g.kelly@gmail.com>
Date: Wed, 5 Dec 2012 08:33:14 -0700
Subject: Re: Good use for itertools.dropwhile and itertools.takewhile
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On Wed, Dec 5, 2012 at 7:34 AM, Neil Cerutti <neilc@norwich.edu> wrote:
> Well, shoot! Then this is a job for groupby, not takewhile.

The problem with groupby is that you can't just limit it to two groups.

>>> prod_desc("CAPSICUM RED fresh from QLD")
['QLD', 'fresh from']

Once you've got a false key from the groupby, you would need to
pretend that any subsequent groups are part of the false group and
tack them on.