Calculator Code

                               This is calculator code by using python.

                      Your choice while loop use or not.

 while True:

    print("\nCalculator Menu:")
    print("1. Addition")
    print("2. Subtraction")
    print("3. Multiplication")
    print("4. Division")
    print("5. Exit")

    choice = input("Enter choice (1/2/3/4/5): ")

    if choice not in ['1', '2', '3', '4', '5']:
        print("Invalid choice! Exiting the calculator. Goodbye!")
        break

    if choice == '5':
        print("Exiting the calculator. Goodbye!")
        break

    num1 = float(input("Enter first number: "))
    num2 = float(input("Enter second number: "))

    if choice == '1':
        print("Result:", num1 + num2)
    elif choice == '2':
        print("Result:", num1 - num2)
    elif choice == '3':
        print("Result:", num1 * num2)
    elif choice == '4':
        if num2 == 0:
            print("Error! Division by zero.")
        else:
            print("Result:", num1 / num2)