code: def SequenceAtImpl(
      sequence: list[np.ndarray], position: int
  ) -> np.ndarray:
      return sequence[position]
  
file_path: onnx/onnx/backend/test/case/model/sequence.py
imports: from __future__ import annotations
  import typing
  import numpy
  import onnx
  from onnx import TensorProto
  from onnx.backend.test.case.base import Base
  from onnx.backend.test.case.model import expect
label_desc: Use image node_id 4 for calling a global function with example usage: SequenceAtImpl(sequence, position) and returns: sequence