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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_csv_data(resource_name):
 # type: (str) -> List[str] """ Loads first column of specified CSV file from package data. """

    data_bytes = pkgutil.get_data('clkhash', 'data/{}'.format(resource_name))
    if data_bytes is None:
        raise ValueError("No data resource found with name {}".format(resource_name))
    else:
        data = data_bytes.decode('utf8')
        reader = csv.reader(data.splitlines())
        next(reader, None)  # skip the headers
        return [row[0] for row in reader]