code: def submit_job(self, job_definition, parameters, job_name=None, queue=None):
          
          if job_name is None:
              job_name = _random_id()
          response = self._client.submit_job(
              jobName=job_name,
              jobQueue=queue or self.get_active_queue(),
              jobDefinition=job_definition,
              parameters=parameters
          )
          return response['jobId']
docs: Wrap submit_job with useful defaults