[Python-3000] Iterators for dict keys, values, and items == annoying :)

[Benji York]

Adam DePrince wrote:
> Question #2: 
> 
> What should delete() return?   I currently have it returning the iter
> itself to make it possible to say:
> 
> value = iter.delete().next()

Python doesn't generally return self for call-chaining purposes.  I'd 
say delete() should return None.
--
Benji York