code: def main():
      env = gym.make("CartPole-v0")
      act = deepq.learn(
          env,
          network="mlp",
          lr=1e-3,
          total_timesteps=100000,
          buffer_size=50000,
          exploration_fraction=0.1,
          exploration_final_eps=0.02,
          print_freq=10,
          callback=callback,
      )
      print("Saving model to cartpole_model.pkl")
      act.save("cartpole_model.pkl")
  
imports: import gym
  from baselines import deepq
label_desc: Use image node_id 2 for calling a global function with example usage: main() without return types