code: def setup_args(parser=None):
      if parser is None:
          parser = ParlaiParser(True, False, "Compute data statistics")
      # Get command line arguments
      parser.add_argument(
          "-n", "-ne", "--num-examples", type=int, default=-1
      )
      parser.add_argument(
          "-ltim", "--log-every-n-secs", type=float, default=10
      )
      parser.add_argument(
          "--agent",
          type=int,
          default=0,
          help="Use teacher (agent 0) or model (agent 1)",
          choices=[0, 1],
      )
      parser.add_argument(
          "--new_line_new_utt",
          type="bool",
          default=False,
          help="New lines treat substrings as separate utterances.",
      )
      parser.add_argument(
          "--ignore_tokens",
          type=str,
          default="",
          help="ignore tokens containings these substrings (comma-separated)",
      )
      parser.set_defaults(datatype="train:ordered")
      DictionaryAgent.add_cmdline_args(parser, partial_opt=None)
      return parser
  
file_path: ParlAI/parlai/scripts/data_stats.py
imports: from parlai.core.params import ParlaiParser
  from parlai.agents.fixed_response.fixed_response import FixedResponseAgent
  from parlai.core.worlds import create_task
  from parlai.utils.misc import TimeLogger, nice_report
  from parlai.core.metrics import AverageMetric
  from parlai.core.dict import DictionaryAgent
  from parlai.core.script import ParlaiScript, register_script
  import parlai.utils.logging
label_desc: Use image node_id 1 for calling a global function with example usage: setup_args(parser) and returns: parser