code: def detect_instance_preemption():
      choice = random.randint(1, 100)
      # simulating a 1% chance of preemption.
      return choice <= 1
  
imports: import os
  import torch
  from torch import nn
  from ray import train, tune
  import random
  import os
  import tempfile
  from ray import train, tune
  from ray.train import Checkpoint
label_desc: Use image node_id 1 for calling a global function with example usage: detect_instance_preemption() and returns: unknown