code: def set_default_locale(code):
      """Sets the default locale.
  
      The default locale is assumed to be the language used for all strings
      in the system. The translations loaded from disk are mappings from
      the default locale to the destination locale. Consequently, you don't
      need to create a translation file for the default locale.
      """
      global _default_locale
      global _supported_locales
      _default_locale = code
      _supported_locales = frozenset(
          list(_translations.keys()) + [_default_locale]
      )
  
imports: from __future__ import absolute_import, division, print_function
  import codecs
  import csv
  import datetime
  from io import BytesIO
  import numbers
  import os
  import re
  from tornado import escape
  from tornado.log import gen_log
  from tornado.util import PY3
  from tornado._locale_data import LOCALE_NAMES
label_desc: Use image node_id 2 for calling a global function with example usage: set_default_locale(code) without return types