using System;

public class Program

{

    public static void Main()

    {

        var array = new [] {"one", "two", "three", "four"};

        var notLast = array[..^1];

        var notFirst = array[1..];

        var skipTwo = array[2..];

        var lastItem = array[^1];

        var innerItems = array[1..^1];

        var allItems = array[..];

        Console.WriteLine($"all but last   : {string.Join(", ", notLast)}");

        Console.WriteLine($"all but first  : {string.Join(", ", notFirst)}");

        Console.WriteLine($"skip two items : {string.Join(", ", skipTwo)}");

        Console.WriteLine($"last item      : {lastItem}");

        Console.WriteLine($"inner items    : {string.Join(", ", innerItems)}");

        Console.WriteLine($"all items      : {string.Join(", ", allItems)}");

    }

}