The author provides a tutorial on implementing deep reinforcement learning models using TensorFlow and OpenAI Gym. The tutorial builds on previous posts that introduced various algorithms, now providing hands-on experience with implementation. The full code is available in the repository lilian/deep-reinforcement-learning-gym. --- Why it matters: This matters to researchers and engineers working with AI because it provides a practical guide to implementing deep reinforcement learning models, which can be challenging due to their complexity. Source: https://lilianweng.github.io/posts/2018-05-05-drl-implementation/