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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 getByteStatistic(self, wanInterfaceId=1, timeout=1):
 """Execute GetTotalBytesSent&GetTotalBytesReceived actions to get WAN statistics. :param int wanInterfaceId: the id of the WAN device :param float timeout: the timeout to wait for the action to be executed :return: a tuple of two values, total bytes sent and total bytes received :rtype: list[int] """

        namespace = Wan.getServiceType("getByteStatistic") + str(wanInterfaceId)
        uri = self.getControlURL(namespace)

        results = self.execute(uri, namespace, "GetTotalBytesSent", timeout=timeout)
        results2 = self.execute(uri, namespace, "GetTotalBytesReceived", timeout=timeout)

        return [int(results["NewTotalBytesSent"]),
                int(results2["NewTotalBytesReceived"])]