[docs] [issue21196] Name mangling example in Python tutorial

[Ned Deily]

Ned Deily <nad at python.org> added the comment:

What should we do with this issue?  Raymond, it sounds like you think the proposed PR should not be merged, is that right?  If so, should the issue and PR be closed?  Other opinions?  I would like to resolve this so we can either merge or close PR 5667.  Thanks!

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nosy: +ned.deily

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue21196>
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