code: def init(
      model: Model[List[InT], List[OutT]],
      X: Optional[List[InT]] = None,
      Y: Optional[List[OutT]] = None,
  ) -> None:
      model.layers[0].initialize(
          X=X[0] if X else None, Y=Y[0] if Y else None
      )
  
imports: from typing import Callable, List, Optional, Tuple, TypeVar
  from ..model import Model
label_desc: Use image node_id 3 for calling a global function with example usage: init(model, X, Y) without return types