code: def is_dunder(name: str) -> bool:
      return name.startswith("__") and name.endswith("__")
  
file_path: GPflow/tests/gpflow/test_all.py
imports: import ast
  import importlib
  from pathlib import Path
  from types import ModuleType
  from typing import Any, List, Optional, Sequence
  import pytest
  import gpflow
label_desc: Use image node_id 1 for calling a global function with example usage: is_dunder(name) and returns: unknown