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Date: Sat, 29 Mar 2014 16:20:40 -0700
From: Ethan Furman <ethan@stoneleaf.us>
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Subject: Re: checking if two things do not equal None
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Xref: csiph.com comp.lang.python:69357

On 03/29/2014 02:01 PM, Johannes Bauer wrote:
> On 29.03.2014 20:05, Steven D'Aprano wrote:
>> On Sat, 29 Mar 2014 11:56:50 -0700, contact.trigon wrote:
>>
>>> if (a, b) != (None, None):
>>> or
>>> if a != None != b:
>>>
>>> Preference? Pros? Cons? Alternatives?
>>
>> if not (a is b is None): ...
>>
>> Or if you prefer:
>>
>> if a is not b is not None: ...
>
> Is this an obfuscated coding contest? Why do you opt for a solution that
> one has to at least think 2 seconds about when the simplest solution:
>
> if (a is not None) or (b is not None):
>
> is immediately understandable by everyone?

+1

--
~Ethan~