The article reviews a recent code challenge focused on creating an AWS Lambda function, highlighting submissions by participants mjhea0 and bbelderbos. Mjhea0 developed a tutorial for building a code evaluation API using AWS Lambda and API Gateway, while bbelderbos configured a Lambda function to process payloads from API Gateway, retrieve Python files from GitHub, and check them with PEP8 for compliance. Bbelderbos also proposed future enhancements, such as adding a webhook for automation and transforming the setup into a simple continuous integration (CI) system, with plans to document the process in an article. The article concludes by encouraging participation in Hacktoberfest for the chance to earn rewards through code challenge contributions.