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Date: Thu, 6 Sep 2012 19:50:04 +1000
Subject: Re: is implemented with id ?
From: Chris Angelico <rosuav@gmail.com>
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Xref: csiph.com comp.lang.python:28565

On Thu, Sep 6, 2012 at 7:34 PM, Duncan Booth
<duncan.booth@invalid.invalid> wrote:
> Steven D'Aprano <steve+comp.lang.python@pearwood.info> wrote:
>
>> But at any moment, any object has a specific
>> location, and no other object can have that same location. Two objects
>> cannot both be at the same memory address at the same time.
>>
>
> It is however perfectly possible for one object to be at two or more memory
> addresses at the same time.

And of course, memory addresses have to be taken as per-process, since
it's entirely possible for two processes to reuse addresses. But I
think all these considerations of object identity are made with the
assumption that we're working within a single Python process.

ChrisA