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bpo-33519: clarify that .copy() is not part of the MutableSequence ABC #6965

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csabella merged 2 commits into from
May 19, 2019
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bpo-33519: clarify that .copy() is not part of the MutableSequence ABC #6965

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bpo-33519: .copy() is not part of MutableSequence
JelleZijlstra May 18, 2018
145b465
consistency in method formatting
JelleZijlstra May 18, 2018
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6 changes: 4 additions & 2 deletions Doc/library/stdtypes.rst
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Expand Up @@ -1098,7 +1098,7 @@ Notes:
item is removed and returned.

(3)
``remove`` raises :exc:`ValueError` when *x* is not found in *s*.
:meth:`remove` raises :exc:`ValueError` when *x* is not found in *s*.

(4)
The :meth:`reverse` method modifies the sequence in place for economy of
Expand All @@ -1108,7 +1108,9 @@ Notes:
(5)
:meth:`clear` and :meth:`!copy` are included for consistency with the
interfaces of mutable containers that don't support slicing operations
(such as :class:`dict` and :class:`set`)
(such as :class:`dict` and :class:`set`). :meth:`!copy` is not part of the
:class:`collections.abc.MutableSequence` ABC, but most concrete
mutable sequence classes provide it.

.. versionadded:: 3.3
:meth:`clear` and :meth:`!copy` methods.
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1 change: 1 addition & 0 deletions Misc/NEWS.d/next/Documentation/2018-05-17-21-02-00.bpo-33519.Q7s2FB.rst
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@@ -0,0 +1 @@
Clarify that `copy()` is not part of the `MutableSequence` ABC.