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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 _handle_response(res, delimiter):
 """Get an iterator over the CSV data from the response."""

    if res.status_code == 200:
        # Python 2 -- csv.reader will need bytes
        if sys.version_info[0] < 3:
            csv_io = BytesIO(res.content)
        # Python 3 -- csv.reader needs str
        else:
            csv_io = StringIO(res.text)
        data_iter = read_unicode_csv_fileobj(csv_io, delimiter=delimiter,
                                             skiprows=1)
    else:
        raise Exception('Could not download Signor data.')
    return data_iter