calculator.py

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 "Error! Division by zero."
    else:
        return x / y

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

def calculator():
    print("Welcome to Simple Console Calculator!")
    while True:
        display_menu()
        choice = input("Enter your choice (1/2/3/4/5): ")

        if choice == '5':
            print("Thank you for using Simple Console Calculator!")
            break

        if choice in ('1', '2', '3', '4'):
            num1 = float(input("Enter first number: "))
            num2 = float(input("Enter second number: "))

            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("Invalid Input!")
if __name__ == "__main__":
    calculator()