public void Start()
        {
            string userInput;

            do
            {
                Console.WriteLine("Welcome! What would you like to do today?");

                //Options
                Console.WriteLine("[0] Create a hero\n[1] Get all heroes");
                userInput = Console.ReadLine();
                switch (userInput)
                {
                case "0":
                    Hero newHero = GetHeroDetails();
                    HeroBL.AddHero(newHero);
                    Console.WriteLine($"Hero {newHero.Name} was created with a superpower of {newHero.superPowers.Peek()}");
                    break;

                case "1":
                    List <Hero> allHeroes = HeroBL.GetAllHeroes();
                    foreach (var hero in allHeroes)
                    {
                        Console.WriteLine($"Hero {hero.Name}");
                    }
                    break;
                }
            } while (!userInput.Equals("0") && !userInput.Equals("1"));
        }