?: in Python

[Dave Hansen]

On Wed, 14 Dec 2005 21:16:23 +0100 in comp.lang.python, Lawrence
Oluyede <raims at dot.com> wrote:

>Il 2005-12-14, Andy Leszczynski <yahoo at nospam.leszczynscy> ha scritto:
>> How can do elegantly in Python:
>>
>> if condition:
>>     a=1
>> else:
>>     a=2
>>
>> like in C:
>>
>> a=condition?1:2
>>
>
>There are tons of threads on this newsgroup and in the python-dev mailing
>list about a ternary operator. There's also a PEP AFAIK.
>
>I like this:
>
>In [1]:switch = True
>
>In [2]:a = (1, 2)[switch]
>
>In [3]:print a
>2

Note, however, you have the logic backwards.  To duplicate the
functionality of the OP's example, you need

   a = (2,1)[condition]

or

   a = (1,2)[not condition]

Regards,
                                        -=Dave

-- 
Change is inevitable, progress is not.