code: def create_folder(self, name, parent_folder_id=0):
          
          return self.__request("POST", "folders",
                          data={ "name": name,
                                 "parent": {"id": unicode(parent_folder_id)} })
docs: Create a folder
  
          If the folder exists, a BoxError will be raised.
  
          Args:
              folder_id (int): Name of the folder.
  
              parent_folder_id (int): ID of the folder where to create the new one.
  
          Returns:
              dict. Response from Box.
  
          Raises:
              BoxError: An error response is returned from Box (status_code >= 400).
  
              BoxHttpResponseError: Response from Box is malformed.
  
              requests.exceptions.*: Any connection related problem.