def add_number(num1, num2):
    return num1 + num2

def sub_num(num1, num2):
    return num1 - num2

def mult_num(num1, num2):
    return num1 * num2

def divide_num(num1, num2):
    return num1 / num2

def pow_num(num1, num2):
    return num1 ** num2

