Re: else condition in list comprehension

[Andrey Tatarinov]

Steve Holden wrote:
Nick Coghlan wrote:
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.

I presume the point of this is to avoid polluting the local namespace 
with "newval". I further presume you also have plans to do something 
about "i"? ;-)
no, the point is in grouping definition of newval() with place where it 
is used.
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