docs: def key(self):
          """
          Example::
  
              /browse/homes/ca/ -> ca
              /browse/homes/ca/los-angeles-county/ -> los-angeles-county
              /browse/homes/ca/los-angeles-county/91001/ -> 91001
              /browse/homes/ca/los-angeles-county/91001/tola-ave_5038895/ -> tola-ave_5038895
  
          :return:
          """
  
          return [part.strip() for part in self.href.split("/") if part.strip()][
              -1]