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From: Chris Nash <cndefend-stuff@yahoo.co.uk>
Subject: Re: python for loop
Date: Wed, 10 Jul 2013 16:43:15 +0000 (UTC)
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Xref: csiph.com comp.lang.python:50400

The first item in a sequence is at index zero because it is that far away from 
the beginning. The second item is one away from the beginning. That is the 
reason for zero-based indexing.