def multiplier(f):
    def times(n):
        # is f local?
        nonlocal f
        f=f+1
        # if not, why is it here?
        print("Locals: ",locals())
        return n*f
    return times

times2 = multiplier(2)
print(times2(4)) # 3X4=12
print(times2(4)) # 4X4=16