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Newsgroups: comp.lang.python
Date: Wed, 2 Mar 2016 09:28:04 -0800 (PST)
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Subject: Re: Explaining names vs variables in Python
From: Rustom Mody <rustompmody@gmail.com>
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Xref: csiph.com comp.lang.python:103886

On Wednesday, March 2, 2016 at 10:53:40 PM UTC+5:30, Steven D'Aprano wrote:
> On Thu, 3 Mar 2016 01:11 am, Marko Rauhamaa wrote:
> 
> > What is missing is the rules that are obeyed by the "is" operator.
> 
> I think what is actually missing is some common bloody sense. The Python
> docs are written in English, and don't define *hundreds*, possible
> *thousands* of words because they are using their normal English meaning.
> 
> The docs for `is` say:
> 
> 6.10.3. Identity comparisons
> 
> The operators is and is not test for object identity: x is y is true if and
> only if x and y are the same object. x is not y yields the inverse truth
> value.
> 
> https://docs.python.org/3/reference/expressions.html#is-not
> 
> 
> In this case, "same object" carries the normal English meaning of "same" and
> the normal computer science meaning of "object" in the sense of "Object
> Oriented Programming". There's no mystery here, no circular definition.
> 

http://plato.stanford.edu/entries/identity/