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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 list(cls, params=None):
 """ Retrieves a list of the model :param params: params as dictionary :type params: dict :return: the list of the parsed xml objects :rtype: list """

        return fields.ListField(name=cls.ENDPOINT, init_class=cls).decode(
            cls.element_from_string(cls._get_request(params=params).text)
        )