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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 change_participation_status(self, calendar_id, event_uid, status):
 """Changes the participation status for a calendar event :param string calendar_id: The String Cronofy ID for the calendar to delete the event from. :param string event_uid: A String uniquely identifying the event for your application (note: this is NOT an ID generated by Cronofy). :param string status: A String to set the participation status of the event to :return: None """

        data = {'status': status}

        self.request_handler.post('calendars/%s/events/%s/participation_status' % (calendar_id, event_uid), data=data)