code: def delete_instance(instance_name):
      cloud.shell_run(DELETE, name=instance_name)
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import contextlib
  import multiprocessing
  import os
  import socket
  import subprocess
  import time
  from tensor2tensor.utils import cloud_mlengine
  import tensorflow.compat.v1
label_desc: Use image node_id 8 for calling a global function with example usage: delete_instance(instance_name) without return types