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From: Kushal Kumaran <kushal.kumaran+python@gmail.com>
To: python-list@python.org
Subject: Re: A certainl part of an if() structure never gets executed.
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Date: Thu, 13 Jun 2013 10:05:50 +0530
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Xref: csiph.com comp.lang.python:47894

Chris Angelico <rosuav@gmail.com> writes:

> On Thu, Jun 13, 2013 at 11:55 AM, Steven D'Aprano
> <steve+comp.lang.python@pearwood.info> wrote:
>> In English:
>>
>> "the cat is in the box or the cupboard or the kitchen"
>>
>> means:
>>
>> "the cat is in the box, or the cat is in the cupboard, or the cat is in
>> the kitchen".
>>
>>
>> But that is not how Python works. In Python, you have to say:
>>
>> cat in box or cat in cupboard or cat in kitchen
>
> Or you can deem that there be one single location that is the merging
> of box, cupboard, and kitchen, and say:
>
> cat in (box+cupboard+kitchen)
>
> which works fine for character-in-string and element-in-list searches.
>

hm...

In [1]: s1 = 'abc'

In [2]: s2 = 'def'

In [3]: s3 = 'ghi'

In [4]: 'cd' in s1 or 'cd' in s2 or 'cd' in s3
Out[4]: False

In [5]: 'cd' in s1+s2+s3
Out[5]: True

-- 
regards,
kushal