code: def atari():
      return dict(
          network=cnn_small(),
          timesteps_per_batch=512,
          max_kl=0.001,
          cg_iters=10,
          cg_damping=1e-3,
          gamma=0.98,
          lam=1.0,
          vf_iters=3,
          vf_stepsize=1e-4,
          entcoeff=0.00,
      )
  
label_desc: Use image node_id 1 for calling a global function with example usage: atari() and returns: dict