itertools.groupby

[Carsten Haese]

On Mon, 28 May 2007 23:02:31 -0400, Gordon Airporte wrote
> '''
> class groupby(__builtin__.object)
>   |  groupby(iterable[, keyfunc]) -> create an iterator which returns
>   |  (key, sub-iterator) grouped by each value of key(value).
>   |
> '''
> 
> "Each" seems to imply uniqueness here.

Yes, I can see how somebody might read it this way.

How about "...grouped by contiguous runs of key(value)" instead? And while
we're at it, it probably should be keyfunc(value), not key(value).

--
Carsten Haese
http://informixdb.sourceforge.net