code: def lies_under(self, prefix):
          
          orig_list = self.norm_case()._components()
          pref_list = self.__class__(prefix).norm_case()._components()
  
          return (len(orig_list) >= len(pref_list) and
                  orig_list[:len(pref_list)] == pref_list)
docs: Indicates if the `prefix` is a parent of this path.