Python: something functional

sthfunc.py

def zipWith (f, xs, ys):

    lf = lambda (a,b) : f(a,b)
    args = zip (xs, ys)
    rs = map (lf, args)

    return rs

def compose (fs):

    def f (x):
        for f in fs [::-1]:
            x = f (x)
        return x

    return f