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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 DbGetObjectList(self, argin):
 """ Get list of free object defined in database with name matching the specified filter :param argin: The filter :type: tango.DevString :return: Object name list :rtype: tango.DevVarStringArray """

        self._log.debug("In DbGetObjectList()")
        argin = replace_wildcard(argin)
        return self.db.get_object_list(argin)