Untitled

using System;
using System.Collections.Generic;

class Program
{
    static void Main()
    {
        // Define a list of car brands
        List<string> carBrands = new List<string> { "Toyota", "Ford", "Honda", "BMW", "Mercedes" };

        // Print the original list
        Console.WriteLine("Original list:");
        foreach (var brand in carBrands)
        {
            Console.WriteLine(brand);
        }

        // Add a new car brand to the list
        carBrands.Add("Audi");
        Console.WriteLine("\nList after adding Audi:");
        foreach (var brand in carBrands)
        {
            Console.WriteLine(brand);
        }

        // Access an element by index
        Console.WriteLine("\nCar brand at index 2: " + carBrands[2]);

        // Modify an element in the list
        carBrands[1] = "Chevrolet";
        Console.WriteLine("\nList after modifying element at index 1:");
        foreach (var brand in carBrands)
        {
            Console.WriteLine(brand);
        }

        // Remove an element from the list
        carBrands.Remove("BMW");
        Console.WriteLine("\nList after removing BMW:");
        foreach (var brand in carBrands)
        {
            Console.WriteLine(brand);
        }
    }
}