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To: python-list@python.org
From: Terry Reedy <tjreedy@udel.edu>
Subject: Re: class-private names and the Zen of Python
Date: Tue, 08 Oct 2013 06:36:37 -0400
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Xref: csiph.com comp.lang.python:56384

On 10/8/2013 6:13 AM, Marco Buttu wrote:
> In the following case:
>
>  >>> class Foo:
> ...     _Foo__a = 100
> ...     __a = 33
> ...
>  >>> Foo._Foo__a
> 33
>
> I think this behavior, for a user who does not know the convention,
> could be a surprise.

No one qualified to use such names would do such a thing , so there is 
no need to worry about it or do anything about it.

-- 
Terry Jan Reedy