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Date: Thu, 11 Dec 2014 13:24:05 +1100
Subject: Re: When do default parameters get their values set?
From: Chris Angelico <rosuav@gmail.com>
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Xref: csiph.com comp.lang.python:82322

On Thu, Dec 11, 2014 at 1:18 PM, Rustom Mody <rustompmody@gmail.com> wrote:
> But I have a different question -- can this be demonstrated without the 'is'?
> Because to me 'is' -- equivalently id -- is a code-smell and is like
> explaining funny behavior by showing the dis -- like
> $ gcc -S ...
> -- output.
>
> It can always explain, but indicates that the semantics is not (sufficiently) abstract in this aspect

Not so. Object identity is a fundamental part of Python.
Indistinguishable-but-distinct mutable objects are crucial to Python's
behaviour.

ChrisA