code: def cmp(x, y):  # Python 3
      return (x > y) - (x < y)
  
imports: import boto3
  import mxnet
  import os
  import numpy
  import logging
  from mxnet import gluon
  from mxnet.gluon import nn
  import re
  from mxnet.test_utils import assert_almost_equal
label_desc: Use image node_id 1 for calling a global function with example usage: cmp(x, y) and returns: unknown