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local hello_world = {}
function hello_world.hello()
return 'Hello, World!'
end
return hello_world
Get better at programming through fun, rewarding coding exercises that test your understanding of concepts with Exercism.
Detect palindrome products in a given range.
Count the rectangles in an ASCII diagram.
Given a moment, determine the moment that would be after a gigasecond has passed.
Lua is used in embedded systems, for prototyping, scripting, game, web and backend development.
Lua can be used for scripting, imperative or functional programming.
Lua is one of the fastest interpreted dynamic languages. Its compiler and interpreter fit in 300K.
Lua has a simple, yet powerful syntax that is easy to learn and master.
Lua is completley written in ANSI C and therefore builds on any platform with an ANSI C compiler.
Lua offers a small and flexible C API that makes it easy to embed or extend with C modules.
Every language has its own way of doing things. Lua is no different. Our mentors will help you learn to think like a Lua developer and how to write idiomatic code in Lua. Once you've solved an exercise, submit it to our volunteer team, and they'll give you hints, ideas, and feedback on how to make it feel more like what you'd normally see in Lua - they'll help you discover the things you don't know that you don't know.
Learn more about mentoring
The Lua track on Exercism has 114 exercises to help you write better code. Discover new exercises as you progress and get engrossed in learning new concepts and improving the way you currently write.
See all Lua exercises
The best part, it’s 100% free for everyone.