<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def DbGetServerInfo(self, argin):
 """ Get info about host, mode and level for specified server :param argin: server name :type: tango.DevString :return: server info :rtype: tango.DevVarStringArray """

        self._log.debug("In DbGetServerInfo()")
        return self.db.get_server_info(argin)