Patch by Chaitanya Agrawal.
This method is called when an iterator is required for a container. This method
should return a new iterator object that can iterate over all the objects in the
- container. For mappings, it should iterate over the keys of the container, and
- should also be made available as the method :meth:`keys`.
+ container. For mappings, it should iterate over the keys of the container.
Iterator objects also need to implement this method; they are required to return
themselves. For more information on iterator objects, see :ref:`typeiter`.