code: def test_mountaincar():
      train_mountaincar(args)
      enjoy_mountaincar(args)
  
imports: from stable_baselines.deepq.experiments.train_cartpole import main
  from stable_baselines.deepq.experiments.enjoy_cartpole import main
  from stable_baselines.deepq.experiments.train_mountaincar import main
  from stable_baselines.deepq.experiments.enjoy_mountaincar import main
label_desc: Use image node_id 2 for calling a global function with example usage: test_mountaincar() without return types