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Date: Thu, 18 Apr 2013 19:06:08 +1000
Subject: Re: Novice Issue
From: Chris Angelico <rosuav@gmail.com>
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Xref: csiph.com comp.lang.python:43812

On Thu, Apr 18, 2013 at 6:58 PM, Wolfgang Maier
<wolfgang.maier@biologie.uni-freiburg.de> wrote:
> There are two solutions for that:
> the obvious: while not (raw_input == "quit" or raw_input == "q")

That has another problem: Once that's changed to raw_input() so it
actually requests input, it will do so twice, compare the first line
against "quit" and the second against "q", and proceed on that basis.
The membership test raw_input() in ("quit","q") is going to be far
better.

ChrisA