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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def _read_dataframes_20M(path):
 """ reads in the movielens 20M"""

    import pandas

    ratings = pandas.read_csv(os.path.join(path, "ratings.csv"))
    movies = pandas.read_csv(os.path.join(path, "movies.csv"))

    return ratings, movies