Good use for itertools.dropwhile and itertools.takewhile

[Ian Kelly]

On Wed, Dec 5, 2012 at 7:34 AM, Neil Cerutti <neilc at 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.