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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_avaliable_languages(self, bundleId):

 """Returns a list of avaliable languages in the bundle"""

        bundleData = self.__get_bundle_data(bundleId)

        if not bundleData:
            return []

        sourceLanguage = bundleData.get(self.__RESPONSE_SRC_LANGUAGE_KEY)
        languages = bundleData.get(self.__RESPONSE_TARGET_LANGUAGES_KEY)
        languages.append(sourceLanguage)

        return languages if languages else []