def is_divisible(x, y):
    if x % y == 0:
        return True
    else:
        return False

def is_power(a, b):
    if b == 1:
        return True
    if a == b:
        return True
    if is_divisible(a,b):
        x = is_power(b / a, b)
        return x
    else:
        return a == 1


# check for accuracy
print("is_power(10, 2) returns: ", is_power(10, 2))
print("is_power(27, 3) returns: ", is_power(27, 3))
print("is_power(1, 1) returns: ", is_power(1, 1))
print("is_power(10, 1) returns: ", is_power(10, 1))
print("is_power(3, 3) returns: ", is_power(3, 3))