code: def script(self):
          
          script_item = [subtag for subtag in self.subtags if subtag.type == 'script']
  
          return script_item[0] if len(script_item) > 0 else None
docs: Get the script :class:`language_tags.Subtag.Subtag` of the tag.
  
          :return: script :class:`language_tags.Subtag.Subtag` that is part of the tag.
              The return can be None.