code: def __exit__(self, type, value, traceback):
      print(f"{self.desc} took {time()-self.t:.02f}s")
  
imports: import argparse
  import contextlib
  import glob
  import json
  import os
  import random
  import signal
  from time import time
  import numpy
  import platform
  import faulthandler
  import psutil
label_desc: Use image node_id 3 for calling the print_time obj's underlying member method code with example usage: obj.__exit__(type, value, traceback) without return types