code: def ClickAndHold(cls):
          ''' 相当于 按压，press '''
          
          element = cls._element()        
          action = ActionChains(Web.driver)
          action.click_and_hold(element)
          action.perform(f ClickAndHold(cls):
          ''' 相当于 按压，press '''
          
          element = cls._element()        
          action = ActionChains(Web.driver)
          action.click_and_hold(element)
          action.perform()
docs: 相当于 按压，press