# Wright a microPy script to design a calculator having the following
#  operations on tow numbers
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 "Error: Division by zero"

while True:
    print("Simple Calculator Menu:")
    print("1. Addition")
    print("2. Subtraction")
    print("3. Multiplication")
    print("4. Division")
    print("5. Exit")

    choice = input("Enter your choice (1-5): ")

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

        if choice == '1':
            result = add(num1, num2)
            print(num1,"+",num2,"=", result)
            print(" ")
        elif choice == '2':
            result = subtract(num1, num2)
            print(num1,"-",num2,"=", result)
        elif choice == '3':
            result = multiply(num1, num2)
            print(num1,"x",num2,"=", result)
        elif choice == '4':
            result = divide(num1, num2)
            print(num1,"/",num2,"=", result)
    elif choice == '5':
        print("Exiting the calculator. Goodbye!")
        break
    else:
        print("Invalid choice. Please enter a number between 1 and 5.")