[Poll] Private variables

[Aahz Maruch]

In article <mailman.1000325655.6912.python-list at python.org>,
Tim Peters <tim.one at home.com> wrote:
>
>They serve different purposes -- a single leading underscore is merely
>advisory, while a private name is also merely advisory <wink> but
>indicates you're more serious about it.  Semantically, the single
>leading underscore means nothing, so is purely convention.

That's *almost* true.  The convention comes from the fact that in a
slightly different context, a single leading underscore *does* have
meaning: module attributes with a single leading underscore do not get
imported with "from foo import *".  (Well, this was true until the
__all__ attribute got created, but let's not quibble.)
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