code: def set_ordered(self, value, inplace=False):
          
          inplace = validate_bool_kwarg(inplace, 'inplace')
          new_dtype = CategoricalDtype(self.categories, ordered=value)
          cat = self if inplace else self.copy()
          cat._dtype = new_dtype
          if not inplace:
              return cat
docs: Set the ordered attribute to the boolean value.
  
          Parameters
          ----------
          value : bool
             Set whether this categorical is ordered (True) or not (False).
          inplace : bool, default False
             Whether or not to set the ordered attribute in-place or return
             a copy of this categorical with ordered set to the value.