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Date: Wed, 04 Dec 2013 17:28:02 -0500
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On Wed, 4 Dec 2013 14:05:11 -0800 (PST), Piotr Dobrogost 
<p@google-groups-2013.dobrogost.net> wrote:
> Object's attributes and dictionary's keys are quite different 
things.

Right. So if you need arbitrary keys, use a dict. Attributes are 
keyed by identifiers, which are constrained. No problem.

-- 
DaveA