A lot of programming languages these days feature lambda functions, ... For example, in Python, the map function takes a function as an argument.

AWS Lambda Python example. Ready to develop your first AWS Lambda function in Python? It really couldn’t be easier. The AWS Management Console’s built-in code editor first loads with a pre-existing, ...

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.