What is reinforcement learning?

Reinforcement learning is a branch in ML, which deals an agent trying to do something in an environment. The agent can be trying to start a fire, when stranded in an island, or the agent can be car trying to park in the right spot. Let's dive in and learn more about reinforcement learning When the agent is trying to do something, it receives a reward when it is getting warmer to what it's supposed to do. The goal of the agent is to try and maximise that reward. The state of an agent is just it's current position with respect to the environment, so if a robot wants to walk, the position of it's legs are it's current state.