lambda question

[Fredrik Lundh]

lambda questionAlves, Carlos Alberto wrote:

> first code:
>         f='x**3+2*x'
>         list=[0,1,2,0]
>         map(lambda x:eval(f),list)
>
> second code:
>
>         def exe1(f,list):
>                 return map(lambda x:eval(f),list)
>
> Can someone explain to me why the first code works while
> second doesn't.

because you're running under Python 2.1 or earlier, and
haven't read up on Python's LGB scoping rules?

if so, the following should do the trick:

    def exe1(f,list):
        return map(lambda x,list=list:eval(f),list)

</F>

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