code: def combine_model(
      prefix1, epoch1, prefix2, epoch2, prefix_out, epoch_out
  ):
      args1, auxs1 = load_checkpoint(prefix1, epoch1)
      args2, auxs2 = load_checkpoint(prefix2, epoch2)
      arg_names = args1.keys() + args2.keys()
      aux_names = auxs1.keys() + auxs2.keys()
      args = dict()
      for arg in arg_names:
          if arg in args1:
              args[arg] = args1[arg]
          else:
              args[arg] = args2[arg]
      auxs = dict()
      for aux in aux_names:
          if aux in auxs1:
              auxs[aux] = auxs1[aux]
          else:
              auxs[aux] = auxs2[aux]
      save_checkpoint(prefix_out, epoch_out, args, auxs)
  
label_desc: Use image node_id 1 for calling a global function with example usage: combine_model(prefix1, epoch1, prefix2, epoch2, prefix_out, epoch_out) without return types