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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 mode(self, set_bytes):
 """Set the operating protocol of the USB-ISS with additional parameters for the protocol """

        self._mode = set_bytes
        data = [self.ISS_CMD, self.ISS_SET_MODE] + set_bytes
        self.write_data(data)
        response = self.read_data(2)
        if response[0] == 0:
            error_dict = {
                0x05: 'Unknown Command',
                0x06: 'Internal Error 1',
                0x07: 'Internal Error 2'
            }
            try:
                raise USBISSError(error_dict[response(1)])
            except KeyError:
                raise USBISSError('Undocumented Error')