:class:`Sized` ``__len__``
:class:`Callable` ``__call__``
-:class:`Sequence` :class:`Sized`, ``__getitem__`` ``__contains__``, ``__iter__``, ``__reversed__``,
- :class:`Iterable`, ``index``, and ``count``
+:class:`Sequence` :class:`Sized`, ``__getitem__``, ``__contains__``, ``__iter__``, ``__reversed__``,
+ :class:`Iterable`, ``__len__`` ``index``, and ``count``
:class:`Container`
-:class:`MutableSequence` :class:`Sequence` ``__setitem__``, Inherited :class:`Sequence` methods and
- ``__delitem__``, ``append``, ``reverse``, ``extend``, ``pop``,
- ``insert`` ``remove``, ``clear``, and ``__iadd__``
-
-:class:`Set` :class:`Sized`, ``__le__``, ``__lt__``, ``__eq__``, ``__ne__``,
- :class:`Iterable`, ``__gt__``, ``__ge__``, ``__and__``, ``__or__``,
- :class:`Container` ``__sub__``, ``__xor__``, and ``isdisjoint``
-
-:class:`MutableSet` :class:`Set` ``add``, Inherited :class:`Set` methods and
- ``discard`` ``clear``, ``pop``, ``remove``, ``__ior__``,
- ``__iand__``, ``__ixor__``, and ``__isub__``
-
-:class:`Mapping` :class:`Sized`, ``__getitem__`` ``__contains__``, ``keys``, ``items``, ``values``,
- :class:`Iterable`, ``get``, ``__eq__``, and ``__ne__``
- :class:`Container`
-
-:class:`MutableMapping` :class:`Mapping` ``__setitem__``, Inherited :class:`Mapping` methods and
- ``__delitem__`` ``pop``, ``popitem``, ``clear``, ``update``,
- and ``setdefault``
+:class:`MutableSequence` :class:`Sequence` ``__getitem__``, Inherited :class:`Sequence` methods and
+ ``__setitem__``, ``append``, ``reverse``, ``extend``, ``pop``,
+ ``__delitem__``, ``remove``, and ``__iadd__``
+ ``__len__``,
+ ``insert``
+
+:class:`Set` :class:`Sized`, ``__contains__``, ``__le__``, ``__lt__``, ``__eq__``, ``__ne__``,
+ :class:`Iterable`, ``__iter__``, ``__gt__``, ``__ge__``, ``__and__``, ``__or__``,
+ :class:`Container` ``__len__`` ``__sub__``, ``__xor__``, and ``isdisjoint``
+
+:class:`MutableSet` :class:`Set` ``__contains__``, Inherited :class:`Set` methods and
+ ``__iter__``, ``clear``, ``pop``, ``remove``, ``__ior__``,
+ ``__len__``, ``__iand__``, ``__ixor__``, and ``__isub__``
+ ``add``,
+ ``discard``
+
+:class:`Mapping` :class:`Sized`, ``__getitem__``, ``__contains__``, ``keys``, ``items``, ``values``,
+ :class:`Iterable`, ``__iter__``, ``get``, ``__eq__``, and ``__ne__``
+ :class:`Container` ``__len__``
+
+:class:`MutableMapping` :class:`Mapping` ``__getitem__``, Inherited :class:`Mapping` methods and
+ ``__setitem__``, ``pop``, ``popitem``, ``clear``, ``update``,
+ ``__delitem__``, and ``setdefault``
+ ``__iter__``,
+ ``__len__``
:class:`MappingView` :class:`Sized` ``__len__``