code: def main(argv):
      """Generates files with the internal structure.
  
      Args:
        argv: the path where to generate the fake files
      Reference: f = h5py.File("modelnet40_ply_hdf5_2048/ply_data_train0.h5", "r")
        print(f['data'])  # <HDF5 dataset "data": shape(2048, 2048, 3), type "<f4">
        print(f['label']) # <HDF5 dataset "label": shape(2048, 1), type "|u1">
      """
      if len(argv) != 1:
          raise app.UsageError("One argument required.")
  
      for i in range(3):
          fake_points = np.random.randn(8, 2048, 3).astype(np.float32)
          fake_label = np.random.uniform(
              low=0, high=40, size=(8, 1)
          ).astype(np.uint8)
          path = os.path.join(
              FLAGS.fakes_path, "ply_data_train{}.h5".format(i)
          )
          with h5py.File(path, "w") as h5f:
              h5f.create_dataset("data", data=fake_points)
              h5f.create_dataset("label", data=fake_label)
      for i in range(2):
          fake_points = np.random.randn(8, 2048, 3).astype(np.float32)
          fake_label = np.random.uniform(
              low=0, high=40, size=(8, 1)
          ).astype(np.uint8)
          path = os.path.join(
              FLAGS.fakes_path, "ply_data_test{}.h5".format(i)
          )
          with h5py.File(path, "w") as h5f:
              h5f.create_dataset("data", data=fake_points)
              h5f.create_dataset("label", data=fake_label)
  
imports: import os
  from absl import app
  from absl import flags
  import h5py
  import numpy
label_desc: Use image node_id 1 for calling a global function with example usage: main(argv) without return types