How to Build Serverless Apps with Python and AWS Lambda at No Cost

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AWS Lambda is a serverless compute service from Amazon Web Services that lets developers run code without managing or provisioning servers. Functions execute in response to events such as HTTP requests, database changes, or S3 file updates, and users are billed only for actual compute time consumed. Python is highlighted as a strong fit for Lambda development due to its simplicity, flexibility, and rich library ecosystem. Getting started requires installing the AWS CLI and AWS SAM CLI tools, creating an AWS account, and configuring the appropriate IAM roles and permissions. The tutorial walks developers through building a basic CRUD RESTful API using Python and AWS Lambda as a practical hands-on example.

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