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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():
 """Retrieve the fallback languages from the settings.py"""

    lang = translation.get_language()
    fallback_list = settings.FALLBACK_LANGUAGES.get(lang, None)
    if fallback_list:
        return fallback_list

    return settings.FALLBACK_LANGUAGES.get(lang[:2], [])