code: def update(self, other):
      if self._pending_removals:
          self._commit_removals()
      for element in other:
          self.add(element)
  
imports: from _weakref import ref
  from types import GenericAlias
label_desc: Use image node_id 13 for calling the WeakSet obj's underlying member method code with example usage: obj.update(other) without return types