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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def supported_app_locales():
 """Language codes and labels supported by current application. :return: an iterable of `(:class:`babel.Locale`, label)`, label being the locale language human name in current locale. """

    locale = _get_locale()
    codes = current_app.config["BABEL_ACCEPT_LANGUAGES"]
    return ((Locale.parse(code), locale.languages.get(code, code)) for code in codes)