code: def zip_directory(dir_name):
      return shutil.make_archive(dir_name, "zip", dir_name)
  
imports: import os
  import shutil
  from absl.testing import parameterized
  import tensorflow
  from tensorflow_model_optimization.python.core.common.keras.compression.algorithms import epr
label_desc: Use image node_id 6 for calling a global function with example usage: zip_directory(dir_name) and returns: shutil