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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 _model_for_CLASS(self, name, definition):
 """ Model a Swagger definition that is like a Python class. :param unicode name: The name of the definition from the specification. :param pyrsistent.PMap definition: A Swagger definition to categorize. This will be a value like the one found at ``spec["definitions"][name]``. """

        return _ClassModel.from_swagger(
            self.pclass_for_definition,
            name,
            definition,
        )