On 15 Mar, 22:43, Guido van Brakel <guidovb1 at invalid> wrote: > > def gem(a): > > g = sum(a) / len(a) > > return g > It now gives a int, but i would like to see floats. How can integrate > that into the function? You get an int because you are doing integer division. Cast one int to float. def gem(a): g = sum(a) / float(len(a)) return g