using System;

using System.Collections.Generic;

public class Program

{

    public static void Main()

    {

        List<int> playerAgeList = new List<int> {23, 33, 43, 53, 63};

​

        //To access the first item in the list, use playerAgeList[0]

        Console.WriteLine(playerAgeList[0]);

        //Add()

        playerAgeList.Add(73);

        //Count

        Console.WriteLine(playerAgeList.Count);

        //Insert()

        playerAgeList.Insert(2 , 55);

        //Puts 55 in the 3rd position in the list

        Console.WriteLine(playerAgeList.Count);

​

        //Remove()

        playerAgeList.Remove(55);

        //Removes the first instance of 55

        Console.WriteLine(playerAgeList.Count);

​

        //RemoveAt()

        playerAgeList.RemoveAt(2);

        //Removes the item at the 2 index

        Console.WriteLine(playerAgeList.Count);

​

        //Contains()

        playerAgeList.Contains(23);

        //Evalutes to true.

        playerAgeList.Contains(11);

        //Evaluations to false.

        //Clear()

        playerAgeList.Clear();

        //All items are removed from the list. 

        Console.WriteLine(playerAgeList.Count);

​

    }

}