def new_log(self):
        log_id = self._num_logs
        self._logs[log_id] = []
        self._num_logs += 1
        return log_id
Registers a new log so that calls to write will append to the log.
dataset/ETHPy150Open Cal-CS-61A-Staff/ok-client/client/utils/output.py/_OutputLogger.new_log