Be a part of our community of 1M+ users who develop and demonstrate their skills on CodeSignal
5 courses
114 practices
7 hours
Begin your journey into computer programming with Cosmo! You'll learn what programming is, master the fundamentals of programming with Lua, and have a lot of fun with Cosmo along the way.
Dive into the essentials of Lua programming through an engaging, beginner-friendly course. This journey starts with writing your very first program and smoothly moves into the basics of variables, data handling, and string operations. This course will help you gain the practical skills needed for foundational programming tasks.
Expand your programming knowledge by exploring the primary data structure in Lua: the table. This course introduces you to tables used as lists (arrays) and as dictionaries (maps), teaching you how to create, access, and manipulate them effectively. Through practical examples, you'll learn the versatility of tables and how to use them in your programs.
Deepen your understanding of decision-making processes in Lua with this course dedicated to mastering control structures. Learn to navigate complex decision paths and handle a variety of conditions using if, else, and elseif clauses. Explore how to leverage tables in tandem with conditional logic to enhance the functionality of your programs.
Discover the power and flexibility of loops in Lua as you learn to automate repetitive tasks. This course covers for loops (numeric and generic) and while loops, and introduces advanced concepts like loop controls and nested loops. By the end of this course, you'll be able to use loops to enhance the efficiency and complexity of your code.
Functions are fundamental to clean and effective coding. This course demystifies the process of creating and using functions in Lua, covering everything from basic syntax and function parameters to understanding variable scope. By integrating these concepts, you'll be able to build more modular and error-resistant programs.
Hear what our customers have to say about CodeSignal Learn
I'm impressed by the quality and can't stop recommending it. It's also a lot of fun!
Francisco Aguilar Meléndez
Data Scientist
+11
I love that it's personalized. When I'm stuck, I don't have to hope my Google searches come out successful. The AI mentor Cosmo knows exactly what I need.
Faith Yim
Software Engineer
+14
It's an amazing product and exceeded my expectations, helping me prepare for my job interviews. Hands-on learning requires you to actually know what you are doing.
Alex Bush
Full Stack Engineer
+9
I'm really impressed by the AI tutor Cosmo's feedback about my code. It's honestly kind of insane to me that it's so targeted and specific.
Abbey Helterbran
Tech consultant
+8
I tried Leetcode but it was too disorganized. CodeSignal covers all the topics I'm interested in and is way more structured.
Jonathan Miller
Senior Machine Learning Engineer
+12
I'm impressed by the quality and can't stop recommending it. It's also a lot of fun!
