execution order in list/generator expression

bonono at gmail.com bonono at gmail.com
Sun Oct 23 11:25:44 CEST 2005


I am wondering how this is evaluated.

a=(x for x in [1,2,3,4])

c=[x for x in p if x in list(a)]

c is []

but if I expand a first, like a = list(a)

c is [4]

So it seems that the "if" part don't get expanded ?

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