class Program

    {

        static void Main(string[] args)

        {

            string[] name = { "张三","张六","刘大","刘晓","刘大脑袋","王大锤"};

            var result = from n in name

                         group n by n[] into g

                         select g;

            foreach (var g in result)

            {

                Console.WriteLine(g.Key+""+g.Count()+"人");

                foreach (var item in g)

                {

                    Console.WriteLine(item);

                }

            }

        }

    }

 class Program

    {

        static void Main(string[] args)

        {

            //降序排序，默认是升序

            List<int> nums = new List<int> { ,,,,,,,,,};

            //方法1 linq语句+linq方法

            var result = from i in nums

                         orderby i descending

                         select i;

            foreach (var i in result)

            {

                Console.WriteLine(i);

            }

            //linq方法

            var num= nums.OrderByDescending(i => i);

            foreach (var i in num)

            {

                Console.WriteLine(i);

            }

        }

    }