code: def reorder(self, handle, low_value):
          
          return lib.zlistx_reorder(self._as_parameter_, handle, low_value)
docs: Move an item, specified by handle, into position in a sorted list. Uses
  the item comparator, if any, to determine the new location. If low_value
  is true, starts searching from the start of the list, otherwise searches
  from the end.