code: def get_and_set_titles(self):
      all_titles = []
      for page in self.pages:
          if page.orig_phrase != "":
              all_titles.append(page.orig_phrase)
              all_titles.append(page.orig_phrase_norm)
          if page.wiki_title != "":
              all_titles.append(page.wiki_title)
              all_titles.append(page.wiki_title_norm)
      return set(all_titles)
  
file_path: nlp-architect/nlp_architect/data/cdc_resources/data_types/wiki/wikipedia_pages.py
label_desc: Use image node_id 9 for calling the WikipediaPages obj's underlying member method code with example usage: obj.get_and_set_titles() and returns: set