code: def load_from_json(question_json):
      
      data = json.loads(question_json)
      if isinstance(data, list):
          return load_from_list(data)
      if isinstance(data, dict):
          return load_from_dict(data)
      raise TypeError(
          'Json contained a %s variable when a dict or list was expected',
          type(data))
docs: Load Questions from a JSON string.
      :return: A list of Question objects with associated data if the JSON
               contains a list or a Question if the JSON contains a dict.
      :return type: List or Dict