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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 process(self, argv=sys.argv, ifile=sys.stdin, ofile=sys.stdout):
 """ Process data. :param argv: Command line arguments. :type argv: list or tuple :param ifile: Input data file. :type ifile: file :param ofile: Output data file. :type ofile: file :return: :const:`None` :rtype: NoneType """

        if len(argv) > 1:
            self._process_protocol_v1(argv, ifile, ofile)
        else:
            self._process_protocol_v2(argv, ifile, ofile)