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From: Ian Kelly <ian.g.kelly@gmail.com>
Date: Tue, 3 May 2011 16:10:42 -0600
Subject: Re: Coolest Python recipe of all time
To: Python <python-list@python.org>
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Xref: x330-a1.tempe.blueboxinc.net comp.lang.python:4581

On Tue, May 3, 2011 at 3:54 PM, Chris Angelico <rosuav@gmail.com> wrote:
> On Wed, May 4, 2011 at 2:43 AM, Raymond Hettinger <python@rcn.com> wrote:
>> We should have a separate thread for the most practical, best
>> documented, least surprising, and most boring recipe ;-)
>
> a +=3D b =A0 # Adds b to a in-place. Polymorphic - works on a wide variet=
y of types.

Too surprising to qualify.  For some types it modifies a, while for
others it replaces a.