:attr:`__class__` attribute or can be retrieved with ``type(obj)``.
- The objects returned from :meth:`dict.keys`, :meth:`dict.
+ The objects returned from :meth:`dict.keys`, :meth:`dict.s`, and
:meth:`dict.items` are called dictionary views. They are lazy sequences
that will see changes in the underlying dictionary. To force the
dictionary view to become a full list use ``list(dictview)``. See