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bpo-32739: Show default value for rotate() (GH-5485) (GH-5515)

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(cherry picked from commit 589c718a8e)

Co-authored-by: Raymond Hettinger <rhettinger@users.noreply.github.com>
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Miss Islington (bot) 2018-02-03 10:27:40 -08:00 • committed by Raymond Hettinger
parent 72584d23a5
commit 7eb3d1e7da
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Doc/library/collections.rst
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@ -509,11 +509,14 @@ or subtracting from an empty counter.
.. versionadded:: 3.2
.. method:: rotate(n)
.. method:: rotate(n=1)
Rotate the deque *n* steps to the right. If *n* is negative, rotate to
the left. Rotating one step to the right is equivalent to:
``d.appendleft(d.pop())``.
Rotate the deque *n* steps to the right. If *n* is negative, rotate
to the left.
When the deque is empty, rotating one step to the right is equivalent
to ``d.appendleft(d.pop())``, and rotating one step to the left is
equivalent to ``d.append(d.popleft())``.
Deque objects also provide one read-only attribute: