تحديات برمجيةالتحدي الثاني - حل التمرين الخامس بلغة بايثون

a = float(input("Enter first number: "))
b = float(input("Enter second number: "))

print("\nWrite down the operation number then press enter\n"
      "0: To end the program.\n"
      "1: To print the sum.\n"
      "2: To print the subtraction.\n"
      "3: To print the multiplication.\n"
      "4: To print the division.")

option = -1

while option != 0:

    print("-------------------------")
    option = int(input('Enter option: '))

    if option == 0:
        print("Program end.")

    elif option == 1:
        print(a, "+", b, " = ", a + b)

    elif option == 2:
        print(a, "-", b, " = ", a - b)

    elif option == 3:
        print(a, "*", b, " = ", a * b)

    elif option == 4:
        print(a, "/", b, " = ", a / b)