code: def insert_right(self, item):
          'Insert a new item.  If equal keys are found, add to the right'
          k = self._key(item)
          i = bisect_right(self._keys, k)
          self._keys.insert(i, k)
          self._items.insert(i, itemf insert_right(self, item):
          'Insert a new item.  If equal keys are found, add to the right'
          k = self._key(item)
          i = bisect_right(self._keys, k)
          self._keys.insert(i, k)
          self._items.insert(i, item)
docs: Insert a new item.  If equal keys are found, add to the right