code: def extract_match(self, list_title_matches):
          
          # Create a set of the extracted titles
          list_title_matches_set = set(list_title_matches)
  
          list_title_count = []
          # Count how often a title was matched and safe as tuple in list.
          for match in list_title_matches_set:
              list_title_count.append((list_title_matches.count(match), match))
  
          if list_title_count and max(list_title_count)[0] != min(list_title_count)[0]:
              return max(list_title_count)[1]
  
          return None
docs: Extract the title with the most matches from the list.
  
          :param list_title_matches: A list, the extracted titles which match with others
          :return: A string, the most frequently extracted title.