docs: def save_links(self, file_path):
      """Saves a text file of the search result links.
      
      Saves a text file of the search result links, where each link 
      is saved in a new line. An example is provided below::
        
        http://www.google.ca
        http://www.gmail.com
      
      Args:
        file_path (str):
          Path to the text file to save links to.
      """
      data = '\n'.join(self.links)
      with open(file_path, 'w') as out_file:
        out_file.write(data)