import math
def add(num1,num):
    num3=num1+num2
    print(num3)
def substract(num1,num):
    num3=num1-num2
    print(num3)
def multiply(num1,num):
    num3=num1*num2
    print(num3)
def divide(num1,num):
    num3=num1/num2
    print(num3)
def exponent(num1,num):
    num3=num1**num2
    print(num3)
def root(num1,num2):
    num3=1/num2
    num4=num1**num3