code: def is_colab():
      import sys
  
      # Is environment a Google Colab instance?
      return "google.colab" in sys.modules
  
imports: import glob
  import json
  import ntpath
  import os
  import pickle
  import re
  import urllib.request
  import zipfile
  from pathlib import Path
  from typing import Optional
  import numpy
label_desc: Use image node_id 13 for calling a global function with example usage: is_colab() and returns: unknown