else condition in list comprehension
Nick Coghlan
ncoghlan at iinet.net.au
Wed Jan 12 05:32:25 EST 2005
Luis M. Gonzalez wrote:
> Hi there,
>
> I'd like to know if there is a way to add and else condition into a
> list comprehension. I'm sure that I read somewhere an easy way to do
> it, but I forgot it and now I can't find it...
>
> for example:
> z=[i+2 for i in range(10) if i%2==0]
> what if I want i to be "i-2" if i%2 is not equal to 0?
>
Hmm:
z = [newval(i) for i in range(10)] using:
def newval(x):
if x % 2:
return x - 2
else:
return x + 2
Just some more mental twiddling relating to the thread on statement local
namespaces.
Cheers,
Nick.
--
Nick Coghlan | ncoghlan at email.com | Brisbane, Australia
---------------------------------------------------------------
http://boredomandlaziness.skystorm.net
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