code: def get_parser():
      """Argument parser."""
      parser = argparse.ArgumentParser()
      parser.add_argument(
          "datalist", type=str, help="Path to the list of audio files"
      )
      parser.add_argument(
          "--num_dev",
          type=int_or_float_or_numstr,
          required=True,
          help="Number of samples to assign to the development set "
          "(can be an integer, a float number, or a numeric string like '1/3')",
      )
      parser.add_argument(
          "--outfile",
          type=str,
          default="{}.lst",
          help="A template path for storing output",
      )
      parser.add_argument(
          "--column_delim",
          type=str,
          default=None,
          help="Delimiter for splitting columns in each file line",
      )
      parser.add_argument(
          "--mode",
          type=str,
          default=True,
          choices=("same_size_group", "similar_size_group"),
          help="'same_size_group': sample from same-size groups "
          "to gather `num_dev` samples\n"
          "'similar_size_group': sample from similar-size groups "
          "to gather `num_dev` samples",
      )
      parser.add_argument(
          "--allowed_deviation",
          type=int,
          default=0,
          help="How many samples are allowed for the final dev split to be less than "
          "or more than the specified `num_dev` (only for mode='similar_size_group')",
      )
      parser.add_argument(
          "--max_solutions",
          type=int,
          default=50,
          help="Maximum number of possible coin change solutions to search (only for "
          "mode='similar_size_group')",
      )
      parser.add_argument(
          "--seed", type=int, default=1, help="random seed"
      )
      return parser
  
imports: import argparse
  import random
  from collections import defaultdict
  from pathlib import Path
  from split_train_dev import int_or_float_or_numstr, split_train_dev, split_train_dev_v2
label_desc: Use image node_id 1 for calling a global function with example usage: get_parser() and returns: parser