For example, in Python, the map function takes a function as an argument. Suppose you have a list and you want to capitalize each word in the list. ... (lambda x: x.capitalize(), ...

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.

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.

Why would a developer use AWS Lambda? ... setting up a Lambda function, ... "Fearless concurrency" in future versions of free-threaded Python. Jun 26, 2025 5 mins. Python.