public class Media
{
    public string Title { get; private set; }
    public int Year { get; private set; }

    public Media(string title, int year)
    {
        Title = title;
        Year = year;
    }

    public virtual void PrintDetails()
    {
        Console.WriteLine($"MEDIA: {Title}, {Year}");
    }
}



public class Movie : Media, IComparable<Movie>
{
    public string ParentalRating { get; private set; }
    public int Rating { get; private set; } // derived from imdbRating * 10

    public Movie(string title, int year, string parentalRating, double imdbRating) : base(title, year)
    {
        ParentalRating = parentalRating;
        Rating = (int)(imdbRating * 10);
    }

    public override bool Equals(object obj)
    {
        if (obj == null)
        {
            return false;
        }

        if (obj is Movie other)
        {
            return this.Title == other.Title &&
                   this.Year == other.Year &&
                   this.ParentalRating == other.ParentalRating &&
                   this.Rating == other.Rating;
        }

        return false;
    }

    public int CompareTo(Movie other)
    {
        if (other == null)
        {
            return 1;
        }

        if(this.Rating > other.Rating)
        {
            return 1;
        }
        else if(this.Rating < other.Rating)
        {
            return -1;
        }
        return 0;
    }

    public override int GetHashCode()
    {
        int hash = 17;
        foreach (char c in Title)
        {
            hash = hash * 31 + c;
        }
        hash = hash * 31 + Year;
        foreach (char c in ParentalRating)
        {
            hash = hash * 31 + c;
        }
        hash = hash * 31 + Rating;
        return (Math.Abs(hash) % 1000) / 100;
    }

    public override void PrintDetails()
    {
        Console.WriteLine($"Movie: {base.Title}, {base.Year}, Parental Rating = {ParentalRating}, IMDB Rating = {(double)Rating / 10}");
    }

    public override string ToString()
    {
        return $"Movie: {base.Title}, {base.Year}, Parental Rating = {ParentalRating}, IMDB Rating = {(double)Rating / 10}";
    }
}

public class Program
{
    public static void Main(string[] args)
    {
        Media media1 = new Media("Star Wars", 1977);

        Media media2 = new Movie("Drive", 2011, "R", 7.9);

        Movie movie1 = new Movie("Dune", 2021, "R", 8.1);

        media1.PrintDetails();

        media2.PrintDetails();

        movie1.PrintDetails();
    }
}

OUTPUT:
MEDIA: Star Wars, 1977
Movie: Drive, 2011, Parental Rating = R, IMDB Rating = 7.9
Movie: Dune, 2021, Parental Rating = R, IMDB Rating = 8.1