Python newbie needs constructive suggestions

[Justin Azoff]

davew-python at cs.haverford.edu wrote:
> What is the idiomatically appropriate Python way to pass, as a "function-type parameter", code that is most clearly written with a local variable?
>
> For example, map takes a function-type parameter:
>
>    map(lambda x: x+1, [5, 17, 49.5])
>
> What if, instead of just having x+1, I want an expression that is most clearly coded with a variable that is needed _only_ inside the lambda, e.g. if I wanted to use the name "one" instead of 1:
>
>    map(lambda x: (one = 1  x+one), [5, 17, 49.5])

I believe most people would just write something like this:

def something():
    #local helper function to add one to a number
    def addone(x):
        one = 1
        return x+one
    return map(addone, [5, 17, 49.5])

-- 
- Justin