From there, you can easily edit your Python code and quickly test your AWS Lambda functions all within the AWS Management Console. Serverless computing with Python in AWS really couldn’t be easier.

The anonymous function here takes an argument x and calls the capitalize method on it. The map call ensures that the anonymous function is called once for each item. Modern C++ has lambda expressions.

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.