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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 get_data_files():
 """ Returns the path of data files, which are installed to the package directory. """

    import os

    path = os.path.dirname(__file__)
    path = os.path.join(path, 'data')
    r = dict(
        Alpha_inf_hyrec_file = os.path.join(path, 'hyrec', 'Alpha_inf.dat'),
        R_inf_hyrec_file = os.path.join(path, 'hyrec', 'R_inf.dat'),
        two_photon_tables_hyrec_file = os.path.join(path, 'hyrec', 'two_photon_tables.dat'),
        sBBN_file = os.path.join(path, 'bbn', 'sBBN.dat'),
    )
    return r