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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 _postprocess_for_cut(fac, bins, retbins, x_is_series, series_index, name, dtype):
 """ handles post processing for the cut method where we combine the index information if the originally passed datatype was a series """

    if x_is_series:
        fac = Series(fac, index=series_index, name=name)

    if not retbins:
        return fac

    bins = _convert_bin_to_datelike_type(bins, dtype)

    return fac, bins