This video demonstrates how to build a Python event-driven serverless application using Amazon CodeWhisperer, a machine learning-powered coding companion. The presenter walks through creating four Lambda functions that handle image processing, object recognition, and data storage using various AWS services. CodeWhisperer generates code suggestions based on natural language comments, streamlining the development process. The application downloads images, recognizes objects using Amazon Rekognition, stores results in DynamoDB, and sends notifications via SNS. The demo showcases CodeWhisperer's ability to understand context and generate relevant code, including API calls to AWS services, significantly speeding up application development.