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From: Paul Rubin <no.email@nospam.invalid>
Newsgroups: comp.lang.python
Subject: Re: What other languages use the same data model as Python?
References: <4dbd1dbf$0$29991$c3e8da3$5496439d@news.astraweb.com> <sk9598-gli.ln1@svn.schaathun.net> <ippao9$mjr$1@speranza.aioe.org> <77f64071-b288-404c-8280-b2c61ba77f06@n10g2000yqf.googlegroups.com> <4dc12fb4$0$29991$c3e8da3$5496439d@news.astraweb.com>
Date: Wed, 04 May 2011 03:58:51 -0700
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Steven D'Aprano <steve+comp.lang.python@pearwood.info> writes:
>>>> x = "spam"
> what is the value of the variable x? Is it...?
> (1) The string "spam".

Python works about the same way as Lisp or Scheme with regard to this
sort of thing, and those languages have been described with quite a bit
of mathematical formality.  So if you want a precise theoretical
treatment you might look at the Scheme report.  It should be pretty
clear how it carries over to Python.