GroupBy and OrderBy Methods

using System;
using System.Collections.Generic;
using System.Linq;
namespace MovieCatalog
{
    internal class Program
    {
        public static void Main(string[] args)
        {
            var movies = new List<Movie>
            {
                new Movie("Titanic", 1998, 4.5f),
                new Movie("The Fifth Element", 1997, 4.6f),
                new Movie("Terminator 2", 1991, 4.7f),
                new Movie("Avatar", 2009, 5),
                new Movie("Platoon", 1986, 4),
                new Movie("My Neighbor Totoro", 1988, 5)
            };
            var groupedByRating = movies.GroupBy(movie => movie.Rating);
            foreach (var group in groupedByRating)
            {
                Console.WriteLine($"Rating: {group.Key}");
                foreach (var movie in group)
                {
                    Console.WriteLine($"{movie.Name}");
                }
                Console.WriteLine();
            }
        }
    }
    internal class Movie
    {
        public Movie(string name, int releaseYear, float rating)
        {
            Name = name;
            ReleaseYear = releaseYear;
            Rating = rating;
        }
        public string Name { get; set; }
        public int ReleaseYear { get; set; }
        public float Rating { get; set; }
    }
}