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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 DbImportDevice(self, argin):
 """ Import a device from the database :param argin: Device name (or alias) :type: tango.DevString :return: Str[0] = device name Str[1] = CORBA IOR Str[2] = device version Str[3] = device server process name Str[4] = host name Str[5] = Tango class name Lg[0] = Exported flag Lg[1] = Device server process PID :rtype: tango.DevVarLongStringArray """

        self._log.debug("In DbImportDevice()")
        return self.db.import_device(argin.lower())