code: def debug_string(self):
          
  
          if self._resources_initialized:
              status = "Resources requested: {}/{} CPUs, {}/{} GPUs".format(
                  self._committed_resources.cpu, self._avail_resources.cpu,
                  self._committed_resources.gpu, self._avail_resources.gpu)
              customs = ", ".join([
                  "{}/{} {}".format(
                      self._committed_resources.get_res_total(name),
                      self._avail_resources.get_res_total(name), name)
                  for name in self._avail_resources.custom_resources
              ])
              if customs:
                  status += " ({})".format(customs)
              return status
          else:
              return "Resources requested: ?"
docs: Returns a human readable message for printing to the console.