<s>[INST] What is the programing language lua used for? [/INST] Lua is a lightweight, high-level, multi-paradigm programming language designed primarily for embedded systems and games. It is often used as an embedded scripting language in other software applications, such as video games and CAD tools, to allow end-users to add custom functionality to the application.

Lua is known for its simplicity, small footprint, and fast execution time, making it a popular choice for applications where performance and efficiency are important. It also has a rich standard library that supports various data structures, string handling, mathematical operations, and I/O operations, making it easy for developers to write complex scripts and applications. Additionally, Lua is highly extensible, making it easy for developers to add new functionality to the language through custom libraries and modules.</s>\ <s>[INST] What is the language closest to lua? [/INST] A commonly accepted good alternative to Lua is Python, an interpreted, interactive, object-oriented, extensible programming language. It provides an extraordinary combination of clarity and versatility, and is free and comprehensively ported.</s>