code: def delete_spot_fleet_cluster(
          spot_fleet_reqid,
          client=None,
  ):
      
  
      if not client:
          client = boto3.client('ec2')
  
      resp = client.cancel_spot_fleet_requests(
          SpotFleetRequestIds=[spot_fleet_reqid],
          TerminateInstances=True
      )
  
      return resp
docs: This deletes a spot-fleet cluster.
  
      Parameters
      ----------
  
      spot_fleet_reqid : str
          The fleet request ID returned by `make_spot_fleet_cluster`.
  
      client : boto3.Client or None
          If None, this function will instantiate a new `boto3.Client` object to
          use in its operations. Alternatively, pass in an existing `boto3.Client`
          instance to re-use it here.
  
      Returns
      -------
  
      Nothing.