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How to Use Python Lambda Functions

Emmanuel Oyibo
Dev Genius
Published in
12 min readFeb 21, 2024

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How to use python lambda function
Photo by Fatos Bytyqi on Unsplash

This in-depth tutorial will teach you how to use Python Lambda functions. You’ll understand why they help simplify code in the context of functional programming. Also, you’ll get acquainted with basic use cases of lambda functions, as well as advanced ones.

Lambda functions are essentially small anonymous functions suitable for situations where you need a simple function for a short time. You create these types of functions right where you need them. They are usually compact and just one-liners. Lambda functions make your code clean and easier to follow.

Unlike the traditional functions where the Python keyword, def, comes into play, you create this kind of function using the keyword, lambda. You’ll learn the syntax of lambda functions shortly.

Prerequisites

This tutorial is for beginner to intermediate Python programmers. However, it’s simple enough for curious minds who aren’t within the range but are interested in Python lambda functions or programming in general to follow along.

You’ll need:

Lambda Function

Imagine yourself working on a complex math problem (without a calculator) and needing to…

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Published in Dev Genius

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Written by Emmanuel Oyibo

I make complex technical ideas simple to understand.

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