code: def run_multiple(self, workingArea, package_indices):
          
  
          if not package_indices:
              return [ ]
  
          job_desc = self._compose_job_desc(workingArea, package_indices)
  
          clusterprocids = submit_jobs(job_desc, cwd=workingArea.path)
  
          # TODO: make configurable
          clusterids = clusterprocids2clusterids(clusterprocids)
          for clusterid in clusterids:
              change_job_priority([clusterid], 10)
  
          self.clusterprocids_outstanding.extend(clusterprocids)
  
          return clusterprocids
docs: Submit multiple jobs
  
          Parameters
          ----------
          workingArea :
              A workingArea
          package_indices : list(int)
              A list of package indices
  
          Returns
          -------
          list(str)
              The list of the run IDs of the jobs