code: def __iter__(self) -> Iterator[Any]:
      for key in self._keys():
          yield self._mapping[key]
  
file_path: pytorch_geometric/torch_geometric/data/view.py
imports: from typing import Any, Iterator, List, Mapping, Tuple
label_desc: Use image node_id 1 for calling the ValuesView obj's underlying member method code with example usage: obj.__iter__() without return types