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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_title(self, article, language, language_fallback=False):
 """ Gets the latest content for a particular article and language. Falls back to another language if wanted. """

        try:
            title = self.get(language=language, article=article)
            return title
        except self.model.DoesNotExist:
            if language_fallback:
                try:
                    titles = self.filter(article=article)
                    fallbacks = get_fallback_languages(language)
                    for lang in fallbacks:
                        for title in titles:
                            if lang == title.language:
                                return title
                    return None
                except self.model.DoesNotExist:
                    pass
            else:
                raise
        return None