code: def main():
      """The main function for CLI."""
      parser = argparse.ArgumentParser()
      parser.add_argument(
          "--mode", choices=["distill"], default="distill"
      )
      parser.add_argument("-i", "--input", type=str, help="input file")
      parser.add_argument(
          "-o", "--output", type=str, default=None, help="output file"
      )
  
      args = parser.parse_args()
      logging.basicConfig()
      logger.setLevel(logging.INFO)
  
      if args.mode == "distill":
          args.output = args.output or args.input + ".best.json"
          distill_record_file(args.input, args.output)
  
imports: import argparse
  import logging
  import os
  import itertools
  import numpy
  import tvm._ffi
  from tvm.runtime import Object
  from .measure import MeasureErrorNo, MeasureCallback
  from .utils import calc_workload_dis_factor, decode_workload_key
  from .None import _ffi_api
label_desc: Use image node_id 7 for calling a global function with example usage: main() without return types