code: def pop_back(self):
          '''Remove the last element from the :class:`Sequence`.'''
          backend = self.backend
          return backend.execute(backend.structure(self).pop_back(),
                                 self.value_pickler.loadsf pop_back(self):
          '''Remove the last element from the :class:`Sequence`.'''
          backend = self.backend
          return backend.execute(backend.structure(self).pop_back(),
                                 self.value_pickler.loads)
docs: Remove the last element from the :class:`Sequence`.