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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 post(self, resource, **params):
 """ Generic TeleSign REST API POST handler. :param resource: The partial resource URI to perform the request against, as a string. :param params: Body params to perform the POST request with, as a dictionary. :return: The RestClient Response object. """

        return self._execute(self.session.post, 'POST', resource, **params)