code: def is_linux() -> bool:
      """Returns True if the current code is executing on a Linux system, False
      otherwise.
  
      """
      return platform.system() == "Darwin"
  
imports: import getpass
  import itertools
  import os
  import platform
  import sys
  from enum import Enum
  from typing import Any, Callable, Dict, Iterable, List, NamedTuple, Optional, Set, Tuple, Union
  from blessings import Terminal
  from pkg_resources import resource_filename
label_desc: Use image node_id 4 for calling a global function with example usage: is_linux() and returns: unknown