Sort the list using linq and other ways in C#

public void MultipleWayToSortList()

            {

                List<int> i = new List<int> { 1, 2, 3, 4, 5, 6, 7, 8, 9, 8, 7, 6, 5, 4, 3, 2, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 };

                i.Sort();

                foreach (var item in i)

                {

                    Console.WriteLine(item);

                }

                int[] arr = { 1, 2, 3, 4, 5, 6, 5, 4, 3, 4, 5, 6, 6, 6, 7, 7, 7, 7, 87, 88, 77, 6, 66, 6, 55, 5, 4, 444, 4, 3, 3, 3, 3, 3 };

                List<int> l = arr.ToList();

                l.Sort();

                foreach (var item in l)

                {

                    Console.WriteLine(item);

                }

                int[] arr1 = { 1, 2, 3, 4, 5, 6, 5, 4, 3, 4, 5, 6, 6, 6, 7, 7, 7, 7, 87, 88, 77, 6, 66, 6, 55, 5, 4, 444, 4, 3, 3, 3, 3, 3 };

                var a = from s

                        in arr1

                        orderby s

                        select s;

                foreach (var item in a)

                {

                    Console.WriteLine(item);

                }

            }

Output: