# Parallelism and concurrency with Step Functions and AWS Lambda Code from the [Parallelism and concurrency in Step Functions and AWS Lambda][parallelism-concurrency] episode on 21 April 2020. [parallelism-concurrency]: https://www.youtube.com/watch?v=At5mw8T2riY Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved. SPDX-License-Identifier: MIT-0