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

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rhettinger merged 2 commits into from
Feb 3, 2018
Merged

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

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2c277d9
Show default value for rotate()
rhettinger Feb 2, 2018
db8ab19
Add a rotate left example
rhettinger Feb 2, 2018
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11 changes: 7 additions & 4 deletions Doc/library/collections.rst
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Expand Up @@ -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
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@serhiy-storchaka serhiy-storchaka Feb 3, 2018

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When the deque is empty?

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:
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