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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 dump_as_two_item_tsv(record, output_file):
 """ Dump a relation record as TSV only for 2 item relations. Arguments: record -- A RelationRecord instance to dump. output_file -- A file to output. """

    for ordered_stats in record.ordered_statistics:
        if len(ordered_stats.items_base) != 1:
            continue
        if len(ordered_stats.items_add) != 1:
            continue
        output_file.write('{0}\t{1}\t{2:.8f}\t{3:.8f}\t{4:.8f}{5}'.format(
            list(ordered_stats.items_base)[0], list(ordered_stats.items_add)[0],
            record.support, ordered_stats.confidence, ordered_stats.lift,
            os.linesep))