code: def main():
      parser = argparse.ArgumentParser()
      add_service_args(parser)
      subparsers = parser.add_subparsers(dest="command")
  
      list_parser = subparsers.add_parser("list", help="List accounts")
      list_parser.add_argument(
          "-g", "--group", help="List only accounts in this group"
      )
      list_parser.add_argument(
          "-m",
          "--show-model-groups",
          nargs="*",
          help="Show usage for these model groups",
          default=[],
      )
  
      def add_account_arguments(parser):
          parser.add_argument(
              "-m",
              "--show-model-groups",
              nargs="*",
              help="Show usage for these model groups",
              default=[],
          )
          parser.add_argument(
              "-d",
              "--description",
              help="List only accounts in this group",
          )
          parser.add_argument(
              "-e", "--emails", nargs="*", help="Use these emails"
          )
          parser.add_argument(
              "-g", "--groups", nargs="*", help="Use these groups"
          )
          parser.add_argument(
              "-a",
              "--is-admin",
              help="Specify whether account is an admin",
          )
          parser.add_argument(
              "-q",
              "--quotas",
              nargs="*",
              help="Set these quotas (gpt3:daily:20000)",
              default=[],
          )
  
      create_parser = subparsers.add_parser(
          "create", help="Create new account"
      )
      add_account_arguments(create_parser)
  
      update_parser = subparsers.add_parser(
          "update", help="Update an existing account"
      )
      update_parser.add_argument(
          "-k",
          "--api-key",
          help="Update this account (update new account if not specified)",
          required=True,
      )
      add_account_arguments(update_parser)
  
      delete_parser = subparsers.add_parser(
          "delete", help="Delete an existing account"
      )
      delete_parser.add_argument(
          "-k", "--api-key", help="Delete this account", required=True
      )
      add_account_arguments(delete_parser)
  
      args = parser.parse_args()
  
      service = create_remote_service(args)
      auth = create_authentication(args)
  
      if args.command == "list":
          do_list_command(service, auth, args)
      elif args.command == "create" or args.command == "update":
          do_create_update_command(service, auth, args)
      elif args.command == "delete":
          do_delete_command(service, auth, args)
      else:
          parser.print_help()
          sys.exit(1)
  
file_path: H2O/h2o_hf/helm/src/helm/proxy/cli.py
imports: import argparse
  from typing import List, Dict
  import re
  import sys
  from helm.common.hierarchical_logger import hlog
  from helm.common.authentication import Authentication
  from .accounts import Usage, Account
  from .services.remote_service import RemoteService, add_service_args, create_remote_service, create_authentication
label_desc: Use image node_id 9 for calling a global function with example usage: main() without return types