Refer to the objects which define __len__(), __*item__(), and __iter__() as container objects rather than as mapping objects (in the index entries). Change the section heading and intro sentence to be a little more general, since that's how things have actually evolved.
Refer to the objects which define __len__(), __*item__(), and __iter__()
as container objects rather than as mapping objects (in the index entries).
Change the section heading and intro sentence to be a little more general,
since that's how things have actually evolved.

sk-/python2.7-type-annotator,sk-/python2.7-type-annotator,sk-/python2.7-type-annotator