code: def parse_args(argv: List[str]) -> argparse.Namespace:
      parser = argparse.ArgumentParser(
          description="Criteo sparse -> contiguous preprocessing script. "
      )
      parser.add_argument(
          "--input_dir",
          type=str,
          required=True,
          help="Input directory containing the sparse features in numpy format (.npy). Files in the directory "
          "should be named day_{0-23}_sparse.npy.",
      )
      parser.add_argument(
          "--output_dir",
          type=str,
          required=True,
          help="Output directory to store npy files.",
      )
      parser.add_argument(
          "--frequency_threshold",
          type=int,
          default=0,
          help="IDs occuring less than this frequency will be remapped to an index of 1. If this value is not set (e.g. 0), no frequency thresholding will be applied.",
      )
      return parser.parse_args(argv)
  
imports: import argparse
  import os
  import sys
  from typing import List
  from torchrec.datasets.criteo import BinaryCriteoUtils
label_desc: Use image node_id 1 for calling a global function with example usage: parse_args(argv) and returns: parser