exercise 6.7 - is_power

"""====================
exercise 6.7
===================="""

def is_power(a,b):
 
    #exception handling
    if a == 0 or b == 0:
        return False
    elif b == 1:
        if a == 1:
            return True
        else:
            return False
 
    #normal conditions
    if a == 1 or (a/b == 1):
        result =  True
    elif a % b == 0 and a != 0:
        result = is_power ( (a/b), b)
    else:
        result = False
 
    return result
# end is_power

print is_power(64,2)