# Introduction

Congratulations on finishing this course! **You now have a solid background in Deep Reinforcement Learning**.
But this course was just the beginning of your Deep Reinforcement Learning journey, there are so many subsections to discover. In this optional unit, we **give you resources to explore multiple concepts and research topics in Reinforcement Learning**.

Contrary to other units, this unit is a collective work of multiple people from Hugging Face. We mention the author for each unit.

Sound fun? Let's get started 🔥,

