On 12 July 2010 11:45, allan oware <lumtegis@gmail.com> wrote: Hi All!

def height_diffs():     h = []     i = 0     while True:         x = raw_input("Enter height difference ")         if x == 'q':             break         else:             h.append(x)             i = i + 1

    m = asarray(h,dtype=float)

    return m

why does return statement return nothing?

It works for me. Can you explain what you mean by "return nothing"? Cheers, Scott