* For more about ABCs, see the :mod:`abc` module and :pep:`3119`.
-.. _deque-objects:
-
:class:`deque` objects
----------------------
-
.. class:: deque([iterable[, maxlen]])
Returns a new deque object initialized left-to-right (using :meth:`append`) with
deque(['c', 'b', 'a'])
-.. _deque-recipes:
-
:class:`deque` Recipes
^^^^^^^^^^^^^^^^^^^^^^
stack manipulations such as ``dup``, ``drop``, ``swap``, ``over``, ``pick``,
``rot``, and ``roll``.
-.. _defaultdict-objects:
:class:`defaultdict` objects
----------------------------
-
.. class:: defaultdict([default_factory[, ...]])
Returns a new dictionary-like object. :class:`defaultdict` is a subclass of the
``None``, if absent.
-.. _defaultdict-examples:
-
:class:`defaultdict` Examples
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[('blue', set([2, 4])), ('red', set([1, 3]))]
-.. _named-tuple-factory:
-
:func:`namedtuple` Factory Function for Tuples with Named Fields
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