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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 DbGetDeviceAttributeList(self, argin):
 """ Return list of attributes matching the wildcard for the specified device :param argin: Str[0] = Device name Str[1] = Wildcard :type: tango.DevVarStringArray :return: attribute name list :rtype: tango.DevVarStringArray """

        self._log.debug("In DbGetDeviceAttributeList()")
        dev_name = argin[0]
        wildcard = argin[1]
        if not wildcard:
            wildcard = "%"
        else:
            wildcard = replace_wildcard(wildcard)
        return self.db.get_device_attribute_list(dev_name, wildcard)