# 创建用户向量def create_user_vectoruser movie_vectors user_vector = npzeroslenmovie_vectors for j in rangelenuser for i movie in enumerateuserjwatched_movies if movie in movie_vecto
创建用户向量
def create_user_vector(user, movie_vectors): user_vector = np.zeros((len(movie_vectors),)) for j in range(len(user)): for i, movie in enumerate(user[j]['watched_movies']): if movie in movie_vectors: index = movie_vectors.index(movie) rating = user['ratings'][i] user_vector[index] = rating return user_vector
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