static void Main(string[] args)
        {
            Menus      menu = new Menus();
            Repository repo = new Repository();

            //declaring userInput so the scanner menu input works
            string userInput = "";

            do
            {
                // displays main menu
                menu.DisplayMainMenu();
                userInput = Console.ReadLine();

                //nested if-statements for users input
                if (userInput == "1")
                {
                    //displays which MediaType they want to add
                    menu.DisplayMediaTypeMenu();
                    userInput = Console.ReadLine();

                    switch (userInput)
                    {
                    case "1":
                        //movie menu
                        menu.AskUserForMovie();
                        break;

                    case "2":
                        //show menu
                        menu.AskUserForShow();
                        break;

                    case "3":
                        //video menu
                        menu.AskUserForVideo();
                        break;
                    }
                }
                else if (userInput == "2")
                {
                    //displays menu for reading the media from the file
                    menu.DisplayReadMediaMenu();
                    userInput = Console.ReadLine();

                    switch (userInput)
                    {
                    case "1":
                        //movie menu
                        repo.DeserializeMovies();
                        break;

                    case "2":
                        //show menu
                        repo.DeserializeShows();
                        break;

                    case "3":
                        //video menu
                        repo.DeserializeVideos();
                        break;
                    }
                }
                else if (userInput == "3")
                {
                    menu.userMediaQuery();
                }
            } while (userInput != ".");

            Console.WriteLine("Program Ended");
        }