code: def quickSell(self, item_id):
          
          method = 'DELETE'
          url = 'item'
  
          if not isinstance(item_id, (list, tuple)):
              item_id = (item_id,)
          item_id = (str(i) for i in item_id)
          params = {'itemIds': ','.join(item_id)}
          self.__request__(method, url, params=params)  # {"items":[{"id":280607437106}],"totalCredits":18136}
          return True
docs: Quick sell.
  
          :params item_id: Item id.