code: def without(self, *keys):
          
          items = copy(self.items)
  
          keys = reversed(sorted(keys))
  
          for key in keys:
              del items[key]
  
          return self.__class__(items)
docs: Get all items except for those with the specified keys.
  
          :param keys: The keys to remove
          :type keys: tuple
  
          :rtype: Collection