[EMAIL PROTECTED] wrote:
> Hello,
>
> I need your help understanding lambda (and doing it a better way
> without).
>
> f = lambda x : x*x
[ ... ]
> # the idea is now to give the definition of the multiplication of
> functions and integers
> # (f * c)(xx) := f(x)*c
> [lambda xx: f(xx)*y for y in range(1,5)][0](1)
> # returns 4
> # I would expect 1*x*x = 1
I think you have to get the value of y at definition time,
not at call time:
>>> z=[lambda xx, yy=y: (f(xx)*yy) for y in xrange(1,5)]
>>> z[0](1)
1
Mel.
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