diff --git a/Doc/glossary.rst b/Doc/glossary.rst --- a/Doc/glossary.rst +++ b/Doc/glossary.rst @@ -763,6 +763,14 @@ mapping rather than a sequence because the lookups use arbitrary :term:`immutable` keys rather than integers. + The :class:`collections.abc.Sequence` abstract base class + defines a much richer interface that goes beyond just + :meth:`__getitem__` and :meth:`__len__`, adding :meth:`count`, + :meth:`index`, :meth:`__contains__`, and + :meth:`__reversed__`. Types that implement this expanded + interface can be registered explicitly using + :func:`~abc.register`. + slice An object usually containing a portion of a :term:`sequence`. A slice is created using the subscript notation, ``[]`` with colons between numbers