Page 560 - ComputerScience_Class_11
P. 560
Create a Menu-driven calculator, which performs varied arithmetic calculations, based on
Project 3
user’s choice.
1 # MENU-DRIVEN CALCULATOR
2
3 print("========== MENU-DRIVEN CALCULATOR ==========")
4
5 while True:
6 print("\nChoose an option:")
7 print("1. Addition (+)")
8 print("2. Subtraction (-)")
9 print("3. Multiplication (*)")
10 print("4. Division (/)")
11 print("5. Floor Division (//)")
12 print("6. Modulus (%)")
13 print("7. Power (**)")
14 print("8. Exit")
15
16 choice = input("Enter your choice (1-8): ")
17
18 if choice == "8":
19 print("Exiting... Bye!")
20 break
21
22 # For valid operations, take inputs
23 if choice == "1" or choice == "2" or choice == "3" or choice == "4" or choice
== "5" or choice == "6" or choice == "7":
24 num1 = float(input("Enter first number: "))
25 num2 = float(input("Enter second number: "))
26
27 if choice == "1":
28 print("Result:", num1 + num2)
29
30 elif choice == "2":
31 print("Result:", num1 - num2)
32
558 Touchpad Computer Science (Ver. 3.0)-XI
