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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_minimal_id(self):
 """ Returns the minimal tweet ID of the current response :returns: minimal tweet identification number :raises: TwitterSearchException """


        if not self.__response:
            raise TwitterSearchException(1013)

        return min(
            self.__response['content']['statuses'] if self.__order_is_search
            else self.__response['content'],
            key=lambda i: i['id']
            )['id'] - 1