TRFL Target Network Updating: Modify QNetwork

modify_q_network.py

class QNetwork:
    def __init__(self, name, learning_rate=0.01, state_size=4, 
                 action_size=2, hidden_size=10, batch_size=20):
      #same code here
      #...
      
    #method to get trainable variables for TRFL
    def get_qnetwork_variables(self):
      return [t for t in tf.trainable_variables() if t.name.startswith(self.name)]