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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 get_fallback_languages(self):
 """ Return the fallback language codes, which are used in case there is no translation for the currently active language. """

        lang_dict = get_language_settings(self._current_language)
        fallbacks = [lang for lang in lang_dict['fallbacks'] if lang != self._current_language]
        return fallbacks or []