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From: Thomas Rachel <nutznetz-0c1b6768-bfa9-48d5-a470-7603bd3aa915@spamschutz.glglgl.de>
Newsgroups: comp.lang.python
Subject: Re: 'is not' or '!='
Date: Tue, 19 Aug 2014 11:49:45 +0200
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Am 19.08.2014 00:04 schrieb Chris Kaynor:

> In each of these cases, the behavior may be different in other
> implementations or versions of Python.

And, the most important thing, in each of these cases, using "is" is 
semantically wrong, so no matter how different versions behave.

If you ask the wrong question, you might get a wrong answer.


Thomas