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bpo-21196: Clarify name mangling rules in tutorial (GH-5667)

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Initial patch by Chandan Kumar.
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Berker Peksag 2018-10-20 03:33:48 +03:00 • committed by Victor Stinner
parent 834603112e
commit 13ae4d4438
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Doc/tutorial/classes.rst
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@ -703,6 +703,11 @@ breaking intraclass method calls. For example::
for item in zip(keys, values):
self.items_list.append(item)
The above example would work even if ``MappingSubclass`` were to introduce a
``__update`` identifier since it is replaced with ``_Mapping__update`` in the
``Mapping`` class and ``_MappingSubclass__update`` in the ``MappingSubclass``
class respectively.
Note that the mangling rules are designed mostly to avoid accidents; it still is
possible to access or modify a variable that is considered private. This can
even be useful in special circumstances, such as in the debugger.