class Main {
  public static void main(String[] args) {
    SingleLinkedList test = new SingleLinkedList();
    test.prepend(2);
    test.append(3);
    test.append(4);
    test.append(5);
    test.append(6);
    //test.deleteWithValue(4);
    //test.deleteAtIndex(2);
    //System.out.println(test.index(1));
    //System.out.println(test.searchWithValue(7));
    test.insert(1,9);
    test.insert(4,11);
    test.insert(6,13);
    test.display();
  }
}