def recommend_movies(user, users_data, movies): similar_users = find_similar_users(user, users_data) recommended_movies = {} for similar_user, _ in similar_users: for movie, rating in users_data[similar_user].items(): if movie not in users_data[user]: if movie in movies: if movie not in recommended_movies: recommended_movies[movie] = 0 recommended_movies[movie] += rating return recommended_movies