code: def main(args: argparse.Namespace):
      ssnpp_data = xbin_mmap(fname=args.filepath, dtype="uint8")
      num_batches = ssnpp_data.shape[0] // args.data_batch
      assert (
          ssnpp_data.shape[0] % args.data_batch == 0
      ), "num of embeddings per file should divide total num of embeddings"
      for i in range(num_batches):
          xb_batch = ssnpp_data[
              i * args.data_batch : (i + 1) * args.data_batch, :
          ]
          filename = args.output_dir + f"/ssnpp_{(i):010}.npy"
          np.save(filename, xb_batch)
          print(f"File {filename} is saved!")
  
imports: import numpy
  import argparse
  import os
label_desc: Use image node_id 2 for calling a global function with example usage: main(args) without return types