code: def predict(self, obs):
      out = np.dot(self.w, obs) + self.b
      action = np.argmax(out)
      return action
  
file_path: PARL/examples/others/deepes.py
imports: import gym
  import numpy
label_desc: Use image node_id 2 for calling the CartpoleAgent obj's underlying member method code with example usage: obj.predict(obs) and returns: action