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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 make_xml_name(self, sourcekey):
 """ Make the name of an xml file for a model definition of a single component Parameters sourcekey : str Key to identify this component """

        format_dict = self.__dict__.copy()
        format_dict['sourcekey'] = sourcekey
        return self._name_factory.srcmdl_xml(**format_dict)