code: def __str__(self) -> str:
      result_str = ""
      for page in self.pages:
          result_str += str(page) + ", "
  
      return result_str.strip()
  
file_path: nlp-architect/nlp_architect/data/cdc_resources/data_types/wiki/wikipedia_pages.py
label_desc: Use image node_id 11 for calling the WikipediaPages obj's underlying member method code with example usage: obj.__str__() and returns: result_str