1. [10 pts] Write a function read_ratings_data(f) that takes in a ratings file, and returns a dictionary. The dictionary should have movie as key, and the corresponding list of ratings as value.

   For example: movie_ratings_dict = { "The Lion King (2019)" : [6.0, 7.5, 5.1], "Titanic (1997)": [7] }

2. [10 pts] Write a function read_movie_genre(f) that takes in a movies file and returns a dictionary. The dictionary should have one to one mapping between movie and genre.

   For example { "Toy Story (1995)" : "Adventure", "Golden Eye (1995)" : "Action" }