code: def create_zip(fname, prefix):
      out_path = os.path.join(_output_dir(), fname)
      png = fake_data_utils.get_random_png(height=1, width=1)
      with zipfile.ZipFile(out_path, "w") as myzip:
          myzip.write(png, prefix + "rock/0.png")
          myzip.write(png, prefix + "paper/0.png")
          myzip.write(png, prefix + "scissors/0.png")
  
file_path: datasets/tensorflow_datasets/testing/fake_data_generation/rock_paper_scissors.py
imports: import os
  import zipfile
  from absl import app
  from absl import flags
  from tensorflow_datasets.core import utils
  from tensorflow_datasets.testing import fake_data_utils
label_desc: Use image node_id 2 for calling a global function with example usage: create_zip(fname, prefix) without return types