What are lambda expressions in programming?

What are lambda expressions in programming?

Lambda expressions are anonymous functions that can be defined in a concise way. They are often used for short, throwaway functions.

Can you give me an example of a lambda expression?

Sure! In Python, a simple lambda expression could be add = lambda x, y: x + y, which adds two numbers.

How do lambda expressions differ from regular functions?

Lambda expressions are defined using the lambda keyword and can have any number of arguments but only one expression. Regular functions are defined using def and can have multiple expressions.

When should I use lambda expressions?

Use lambda expressions when you need a small function for a short period, especially as an argument to higher-order functions like map, filter, or sorted.