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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 load_OGLE3_catalog():
 """Return the full list of variables stars of OGLE-3 as a DataFrame """

    with bz2.BZ2File(CATALOG_PATH) as bz2fp, warnings.catch_warnings():
        warnings.simplefilter("ignore")
        df = pd.read_table(bz2fp, skiprows=6)
    df.rename(columns={"# ID": "ID"}, inplace=True)
    return df