iv. get_genre_dict() takes a 2-D list similar to movies_db as the parameter and returns adictionary, where each {key: value} of this dictionary is {a valid genre from the list: a list ofall movie ids that belong to this genre}. I will refer to this dictionary as genres. You canuse display_dict() to display elements of the returned dictionary as follows.>>> genres =>>> display_dict (genres)action: [6, 9, 10, 15, 20]adventure: [1, 2, 8, 10, 13, 15]animation: [1, 13]children: [1, 2, 8, 13]get_genre_dict(movies_db)Assignment #4comedy: [1, 3, 4, 5, 7, 11, 12, 18, 19, 20]crime: [6, 16, 20]drama: [4, 11, 14, 16, 17, 20]fantasy: [1, 2]horror: [12]romance: [3, 4, 7, 11, 15, 17]thriller: [6, 10, 20]Page 6 of 10Due: Nov 27th 11:59 PM iii. load_data() takes three strings (filenames) as parameters. These files must have formatssimilar to movies.csv, ratings.csv, and tags.csv, in this order. Your function mustread records from each of these files (except the data in their header rows) and store them inthree separate 2-D lists. Let's call these lists movie_db, ratings_db, and tags_db,respectively. Your function must return these lists.If a file cannot be opened, it must print an error message and returns an empty list for thatfile. Make sure to convert all numeric data to their correct types (e.g., ints or floats) beforeyou store them in a list.The sample output below shows how data should be stored in the returned lists. Since theseare 2-D lists, we can use the display_list() function to print their elements as follows.>>> movies_db, ratings_db, tags_db = load_data("movies_20.csv", "ratings_20.csv","tags_20.csv")>>> display_list(movies_db [2:5])[3, 'Grumpier Old Men (1995)', 'Comedy | Romance'][4, 'Waiting to Exhale (1995)', 'Comedy | Drama | Romance'][5, 'Father of the Bride Part II (1995)', 'Comedy']>>> display_list(ratings_db[2:5])[7, 1, 4.5, 1106635946][15, 1, 2.5, 1510577970][17, 1, 4.5, 1305696483]>>> display_list(tags_db [2:5])[62, 2, 'Robin Williams', 1528843907][289, 3, 'moldy', 1143424860][289, 3, 'old', 1143424860]

Answered: iv. get_genre_dict() takes a 2-D list…

Computer Networking: A Top-Down Approach (7th Edition)

7th Edition

ISBN:9780133594140

Author:James Kurose, Keith Ross

Publisher:James Kurose, Keith Ross

Chapter1: Computer Networks And The Internet

Section: Chapter Questions

Problem R1RQ: What is the difference between a host and an end system? List several different types of end...

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Pyhthon PLease.
Assume the variable definitions references a dictionary. Write an if statement that determines whether the key 'marsupial' exists in the dictionary. If so, delete 'marsupial' and its associated value. If the key is not in the dictionary, display a message indicating so.

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