public CommandCenter()
 {
     this.list = new ListIterator();
     commands  = new Dictionary <string, Action <dynamic> >()
     {
         { "Create", item => this.list = ListIterator.Create(item) },
         { "Move", item => Console.WriteLine(this.list.Move()) },
         { "HasNext", item => Console.WriteLine(this.list.HasNext()) },
         { "Print", item => this.list.Print() }
     };
 }