code: def get_flat_weights(self):
      flat_weights = np.concatenate(([self.w.ravel(), self.b]), axis=0)
      return flat_weights
  
file_path: PARL/examples/others/deepes.py
imports: import gym
  import numpy
label_desc: Use image node_id 5 for calling the CartpoleAgent obj's underlying member method code with example usage: obj.get_flat_weights() and returns: flat_weights