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To: python-list@python.org
From: Dennis Lee Bieber <wlfraed@ix.netcom.com>
Subject: Re: Python handles globals badly.
Date: Wed, 09 Sep 2015 09:33:49 -0400
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Xref: csiph.com comp.lang.python:96190

On Tue, 08 Sep 2015 17:55:02 -0600, Michael Torrie <torriem@gmail.com>
declaimed the following:


>I used a 1-based indexed language (BASIC) for many years, and I was
>always having to subtract 1 from things.  So 0-based is simply more
>convenient for me.
>
	Many BASICs actually did allocate a zeroth element (dim x(6) allocating
7 elements) -- likely because it made the runtime faster (start_of_array +
index*element_length, where the *element_length was basically a power of 2
shift operation... Rather than adding a "-1" operation in the middle --
especially if the processor implemented subtraction as a negate and add
sequence <G>)... They just didn't advertise it, and the intro books tended
to teach on the basis of a 1-based index.

http://dictionary.reference.com/browse/dim+statement
-- 
	Wulfraed                 Dennis Lee Bieber         AF6VN
    wlfraed@ix.netcom.com    HTTP://wlfraed.home.netcom.com/