code: def retrieve(self, id) :
          
  
          _, _, task = self.http_client.get("/tasks/{id}".format(id=id))
          return task
docs: Retrieve a single task
  
          Returns a single task available to the user according to the unique task ID provided
          If the specified task does not exist, this query will return an error
  
          :calls: ``get /tasks/{id}``
          :param int id: Unique identifier of a Task.
          :return: Dictionary that support attriubte-style access and represent Task resource.
          :rtype: dict