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From: Ian Kelly <ian.g.kelly@gmail.com>
Date: Tue, 11 Sep 2012 13:06:06 -0600
Subject: Re: Single leading dash in member variable names?
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On Tue, Sep 11, 2012 at 12:45 PM,  <e.doxtator@gmail.com> wrote:
> All
>
> Python noob here.  Trying to understand a particular syntax:
>
> class stuff:
>     def __init__(self):
>          self._bongo = "BongoWorld"
>
> -----------
>
> What is the significance of the leading underscore in "self._bongo"?  I've seen this a few times and, after looking through PEP 8, I didn't see anything relevant, but I could have missed it.

Single leading underscore is a convention indicating that the name
should be considered private and not used externally.  It's a softer
version of the double leading underscore that means basically the same
thing but has syntactic significance.