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Date: Fri, 27 Jul 2012 11:59:28 +0200
From: Laszlo Nagy <gandalf@shopzeus.com>
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To: python-list@python.org
Subject: Re: Generating valid identifiers
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Xref: csiph.com comp.lang.python:26138

 > With 16 ** 10 possible digests, the probability of collision hits 50% 
at 1234605 tables


Actually, I'm using base64 encoding. So it is 64**10. I guess using 6 
characters will enough.