code: def get_parser() -> argparse.Namespace:
      """Get argument parser."""
      parser = argparse.ArgumentParser(
          description="Evaluate Mel-cepstrum distortion."
      )
      parser.add_argument(
          "gen_wavdir_or_wavscp",
          type=str,
          help="Path of directory or wav.scp for generated waveforms.",
      )
      parser.add_argument(
          "gt_wavdir_or_wavscp",
          type=str,
          help="Path of directory or wav.scp for ground truth waveforms.",
      )
      parser.add_argument(
          "--outdir",
          type=str,
          help="Path of directory to write the results.",
      )
  
      # analysis related
      parser.add_argument(
          "--mcep_dim",
          default=None,
          type=int,
          help=(
              "Dimension of mel cepstrum coefficients. "
              "If None, automatically set to the best dimension for the sampling."
          ),
      )
      parser.add_argument(
          "--mcep_alpha",
          default=None,
          type=float,
          help=(
              "All pass constant for mel-cepstrum analysis. "
              "If None, automatically set to the best dimension for the sampling."
          ),
      )
      parser.add_argument(
          "--n_fft",
          default=1024,
          type=int,
          help="The number of FFT points.",
      )
      parser.add_argument(
          "--n_shift",
          default=256,
          type=int,
          help="The number of shift points.",
      )
      parser.add_argument(
          "--f0min",
          default=40,
          type=int,
          help="Minimum f0 value.",
      )
      parser.add_argument(
          "--f0max",
          default=800,
          type=int,
          help="Maximum f0 value.",
      )
      parser.add_argument(
          "--nj",
          default=16,
          type=int,
          help="Number of parallel jobs.",
      )
      parser.add_argument(
          "--verbose",
          default=1,
          type=int,
          help="Verbosity level. Higher is more logging.",
      )
      return parser
  
file_path: espnet/egs2/espnet_tutorial/asvspoof1/pyscripts/utils/evaluate_f0.py
imports: import argparse
  import fnmatch
  import logging
  import multiprocessing
  import os
  from typing import Dict, List, Tuple
  import librosa
  import numpy
  import pysptk
  import pyworld
  import soundfile
  from fastdtw import fastdtw
  from scipy import spatial
label_desc: Use image node_id 6 for calling a global function with example usage: get_parser() and returns: parser