code: def cmd_create(args):
      
      if args.type == SQLITE:
          if args.output is not None and path.exists(args.output):
              remove(args.output)
          storage = SqliteStorage(db=args.output, settings=args.settings)
      else:
          storage = JsonStorage(settings=args.settings)
      markov = MarkovText.from_storage(storage)
      read(args.input, markov, args.progress)
      save(markov, args.output, args)
docs: Create a generator.
  
      Parameters
      ----------
      args : `argparse.Namespace`
          Command arguments.