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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_amount_of_tweets(self):
 """ Returns current amount of tweets available within this instance :returns: The amount of tweets currently available :raises: TwitterSearchException """


        if not self.__response:
            raise TwitterSearchException(1013)

        return (len(self.__response['content']['statuses'])
                if self.__order_is_search
                else len(self.__response['content']))