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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 resume(self, subscription_id):
 """ Resume a previously paused Subscription. Uses API documented at http://dev.datasift.com/docs/api/rest-api/endpoints/pushresume :param subscription_id: id of an existing Push Subscription. :type subscription_id: str :returns: dict with extra response data :rtype: :class:`~datasift.request.DictResponse` :raises: :class:`~datasift.exceptions.DataSiftApiException`, :class:`requests.exceptions.HTTPError` """

        return self.request.post('resume', data=dict(id=subscription_id))