import pandas as pd unames = ['user_id', 'gender', 'age', 'occupation', 'zip'] users = pd.read_table('users.dat', sep=',', header=None,names=unames) rnames = ['user_id', 'movie_id', 'rating', 'timestamp'] ratings = pd.read_table('ratings.dat', sep=',', header=None,names=rnames) mnames = ['movie_id', 'title', 'genres'] movies = pd.read_table('movies.dat', sep=',', header=None,names=mnames)