code: def run(ctx):
      ds, model, optimizer, loss, args = get_setting(ctx)
      trainer = train(ctx, ds, model, optimizer, loss, args)
      pred = predict(trainer, ds)
  
file_path: FATE/examples/launchers/fedpass_nn_launcher.py
imports: import torch
  from fate.arch import Context
  from fate.ml.nn.hetero.hetero_nn import HeteroNNTrainerGuest, HeteroNNTrainerHost, TrainingArguments
  from fate.ml.nn.model_zoo.hetero_nn_model import FedPassArgument, TopModelStrategyArguments
  from fate.ml.nn.model_zoo.hetero_nn_model import HeteroNNModelGuest, HeteroNNModelHost
label_desc: Use image node_id 4 for calling a global function with example usage: run(ctx) without return types