This repository is no longer maintained, as Gym is not longer maintained and all future maintenance of it will occur in the replacing Gymnasium library. You can contribute Gymnasium examples to the Gymnasium repository and docs directly if you would like to. If you'd like to learn more about the transition from Gym to Gymnasium, you can read more about it here.

Gym Examples

Some simple examples of Gym environments and wrappers. For some explanations of these examples, see the Gym documentation.

Environments

This repository hosts the examples that are shown on the environment creation documentation.

• GridWorldEnv: Simplistic implementation of gridworld environment

Wrappers

This repository hosts the examples that are shown on wrapper documentation.

• ClipReward: A RewardWrapper that clips immediate rewards to a valid range
• DiscreteActions: An ActionWrapper that restricts the action space to a finite subset
• RelativePosition: An ObservationWrapper that computes the relative position between an agent and a target
• ReacherRewardWrapper: Allow us to weight the reward terms for the reacher environment

Contributing

If you would like to contribute, follow these steps:

• Fork this repository
• Clone your fork
• Set up pre-commit via pre-commit install

PRs may require accompanying PRs in the documentation repo.