code: def _relay(ins, outs, sides, prefix, swap_ids):
      msg = ins.recv_multipart()
      if swap_ids:
          msg[:2] = msg[:2][::-1]
      outs.send_multipart(msg)
      sides.send_multipart([prefix] + msg)
  
label_desc: Use image node_id 1 for calling a global function with example usage: _relay(ins, outs, sides, prefix, swap_ids) without return types