C++, Python, etc have good reasons to have lambda functions (namespace pollution, closures, etc). Note that there are anonymous methods in C#. You kids can get off of my lawn.

Serverless functions able to use ... Amazon Web Services has made the option of using Graviton2 Arm-based processors for Lambda functions ... AWS said Node.js 12 and 14, Python 3.8 ...

With Lambda@Edge, developers can do processing at the edge locations without having to go back to the original source. These functions are able to inspect HTTP requests and take actions on them.