In [3]:
def exp(b, n):
    if n == 0:
        return 1
    else:
        return b * exp(b, n - 1)

b, n = int(input('Enter a number: ').strip()), int(input('Enter a power: ').strip())
print('Result:',exp(b, n))


Enter a number: 2
Enter a power: 4
Result: 16