code: def is_windows() -> bool:
      """
      True when we are using Windows.
      """
      return sys.platform == "win32"
  
imports: from __future__ import annotations
  import os
  import signal
  import sys
  import threading
  from collections import deque
  from typing import Callable, ContextManager, Dict, Generator, Generic, TypeVar, Union
  from wcwidth import wcwidth
label_desc: Use image node_id 3 for calling a global function with example usage: is_windows() and returns: unknown