Inventory.Start C# (CSharp) Method

    void Start()
    {
        if (transform.GetComponent<Hotbar>() == null)
            this.gameObject.SetActive(false);

        updateItemList();

        inputManagerDatabase = (InputManager)Resources.Load("InputManager");
    }

        public void Input(string command)
        {
            bool commandExists = false;

            foreach (Command com in List.Commands)
            {
                if (com.command.Equals(command))
                {
                    commandExists = true;
                }
            }
            if (!commandExists)
            {
                Console.WriteLine($"> '{command}' is not a valid command");
                Program.Listen();
            }
            else
            {
                switch (command)
                {
                case "gather":
                    gather.Start();
                    break;

                case "inventory":
                    inventory.Start();
                    break;

                case "exit":
                    Console.WriteLine("!> Are you sure you want to exit? (y/n)");
                    Console.Write("!> ");
                    var readLine = Console.ReadLine();
                    if (readLine != null && readLine.ToLower().Equals("y"))
                    {
                        Environment.Exit(1);
                    }
                    Program.Listen();
                    break;

                case "help":
                    Console.WriteLine("help> Half of the journey is discovering where to go");
                    Program.Listen();
                    break;

                case "services":
                    services.Start();
                    break;

                default:
                    Console.WriteLine($"> '{command}' is not a valid command");
                    Program.Listen();
                    break;
                }
            }
        }