# This function adds two numbers
def add(num1, num2):
    return num1 + num2
file = open("output.txt","a")
file.write(f's
# Take input from the user  
select = int(input("Select operations form 1, 2, 3, 4 :")) 
  
number_1 = int(input("Enter first number: ")) 
number_2 = int(input("Enter second number: "))


print(number_1, "+", number_2, "=", 
                    add(number_1, number_2))