input: Write a function to describe a movie and return its attributes. The function should accept the name, release year, genre, and rating as parameters and return a dictionary containing these attributes.
  assert describe_movie("Interstellar", 2014, "Sci-Fi", 8.4)=={'name': 'Interstellar', 'release_year': 2014, 'genre': 'Sci-Fi', 'rating': 8.4}
  assert describe_movie("The Shawshank Redemption", 1994, "Drama", 8.7)=={'name': 'The Shawshank Redemption', 'release_year': 1994, 'genre': 'Drama', 'rating': 8.7}
  assert describe_movie("The Dark Knight", 2008, "Action", 8.7)=={'name': 'The Dark Knight', 'release_year': 2008, 'genre': 'Action', 'rating': 8.7}
  assert describe_movie("Pulp Fiction", 1994, "Crime", 8.2)=={'name': 'Pulp Fiction', 'release_year': 1994, 'genre': 'Crime', 'rating': 8.2}
  assert describe_movie("Forrest Gump", 1994, "Drama", 8.8)=={'name': 'Forrest Gump', 'release_year': 1994, 'genre': 'Drama', 'rating': 8.8}
output: def describe_movie(name, release_year, genre, rating):
      return {'name': name, 'release_year': release_year, 'genre': genre, 'rating': rating}