movie_scores = [
    ("Aquaman", 7.4),    
    ("Mission: Impossible - Fallout", 7.9),
    ("Spider-Man: Into the Spider-Verse", 8.7),
    ("Mary Poppins Returns", 7.2),    
    ("Avengers: Infinity War", 8.5),
    ("The Greatest Showman", 7.6),
    ("Black Panther", 7.4),
    ("Ready Player One", 7.5),
    ("Ralph Breaks the Internet", 7.3),
    ("Incredibles 2", 7.8)]

def print_movies(movie_db):
    for movie_pair in movie_db:
        (movie, score) = movie_pair
        print(movie + "\t" + str(score))
        
def print_movies2(movie_db):
    for movie_pair in movie_db:
        print(movie_pair[0] + "\t" + str(movie_pair[1]))        
        
def print_movies3(movie_db):
    for (movie, score) in movie_db:
        print(movie + "\t" + str(score))
        
def get_movie_score(movie_db, movie_title):
    for (movie, score) in movie_db:
        if movie == movie_title:
            return score
    
    return -1

def get_highest_rated_movie(movie_db):
    max_score = -1
    max_movie = ""
    
    for (movie, score) in movie_db:
        if score > max_score:
            max_score = score
            max_movie = movie
            
    return max_movie

def get_movies_above_threshold(movie_db, threshold):
    movies_above = []
    
    for (movie, score) in movie_db:
        if score >= threshold:
            movies_above.append(movie)
            
    return movies_above