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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 get(cls, object_id):
 """ Retrieves a single model :param object_id: the primary id of the model :type object_id: integer :return: the object of the parsed xml object :rtype: object """

        return fields.ObjectField(name=cls.ENDPOINT, init_class=cls).decode(
            cls.element_from_string(
                cls._get_request(endpoint=cls.ENDPOINT + '/' + str(object_id)).text
            )
        )