message: Add watch function to render agents interacting with an environment
diff: @@ -88,3 +88,15 @@ def log_progress(
  episode - 100, mean_episode_reward
  )
  )
  +
  +
  +def watch(agent, env, epsilon=0.0, episodes=1, max_t=200):
  + for _ in range(episodes):
  + observation = env.reset()
  + for _ in range(max_t):
  + env.render()
  + action = agent.action(observation, epsilon=0.0)
  + observation, _, done, _ = env.step(action)
  + if done:
  + break
  + env.close()
  