Why does my recursive function with if-elif statements return None?

Question

I\'m currently trying to wrap my head around learning Python and I\'ve come to a bit of a stall on recursive functions. In Think Python, one of the exercises is to write a f

Answer 1

you need an additional case, for when both conditionals return false

def isPower(a,b):
    if a % b != 0:
        return False
    elif isPower((a/b),b):
        return True
    else
        return False