dq_agent_constructor.py

def __init__(self, enviroment, optimizer):      
  # Initialize atributes
  self._state_size = enviroment.observation_space.n
  self._action_size = enviroment.action_space.n
  self._optimizer = optimizer

  self.expirience_replay = deque(maxlen=2000)

  # Initialize discount and exploration rate
  self.gamma = 0.6
  self.epsilon = 0.1

  # Build networks
  self.q_network = self._build_compile_model()
  self.target_network = self._build_compile_model()
  self.alighn_target_model()