Program To make a simple calculator

# Program To make a simple calculator

while True:

    # take input from the user

    

    print("Select operation.")

    print("1.Add")

    print("2.Subtract")

    print("3.Multiply")

    print("4.Divide")

    option = input("Please Enter your option ")

    # check if option is valid

    if option in ('1', '2', '3', '4'):

        num1 = float(input("Enter first number: "))

        num2 = float(input("Enter second number: "))

        if option == '1':

            print(num1, "+", num2, "=", num1+num2)

        elif option == '2':

            print(num1, "-", num2, "=", num1-num2)

        elif option == '3':

            print(num1, "*", num2, "=", num1*num2)

        elif option == '4':

            print(num1, "/", num2, "=", num1/num2)

        

        # check if user wants to continue, if no

        # break the while loop

        continue_or_not = input("want to continue or not (yes or no) : ")

        if continue_or_not == "no":

          break

    

    else:

        print("The Input is invalid")

# full rights of this source code belongs to sai mohan pulamolu

Output