code: def __init__(
      self,
      parent: t.Optional["Symbols"] = None,
      level: t.Optional[int] = None,
  ) -> None:
      if level is None:
          if parent is None:
              level = 0
          else:
              level = parent.level + 1
  
      self.level: int = level
      self.parent = parent
      self.refs: t.Dict[str, str] = {}
      self.loads: t.Dict[str, t.Any] = {}
      self.stores: t.Set[str] = set()
  
imports: import typing
  from .None import nodes
  from .visitor import NodeVisitor
label_desc: Use image node_id 1 to create a new Symbols object  with example: obj = Symbols(parent, level)