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

This commit is contained in:
Raymond Hettinger 2018-02-03 08:46:28 -08:00 committed by GitHub
parent 38bfa8418f
commit 589c718a8e
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 7 additions and 4 deletions

View File

@ -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: