def add(x, y): return x + y def subtract(x, y): return x - y def multiply(x, y): return x * y def divide(x, y): if y != 0: return x / y else: return "Zero se divide nahi kar sakte!" while True: print("\nCalculator Menu:") print("1. Add (+)") print("2. Subtract (-)") print("3. Multiply (*)") print("4. Divide (/)") print("5. Exit") choice = input("Kya karna hai? (1/2/3/4/5): ") if choice == '5': print("Calculator band ho raha hai.") break num1 = float(input("Pehla number daalein: ")) num2 = float(input("Dusra number daalein: ")) if choice == '1': print("Result:", add(num1, num2)) elif choice == '2': print("Result:", subtract(num1, num2)) elif choice == '3': print("Result:", multiply(num1, num2)) elif choice == '4': print("Result:", divide(num1, num2)) else: print("Galat option! Dobara try karein.")