Free
CourseLearn Swift: Functions
Continue your Swift journey by learning functions — reusable and callable code blocks!
Skill level
BeginnerTime to complete
Approx. 1 hourCertificate of completion
Included with paid plansPrerequisites
None
About this course
Continue your Swift learning journey! Learn how to create reusable blocks of code using functions. These functions will allow your programs to become more flexible with the use of parameters and arguments. You’ll also make use of functions’ return values for storage or manipulation.
Syllabus
Functions
In this module, you will learn how to write and interact with functions in Swift.
The platform
Hands-on learning
Don’t just watch or read about someone else coding — write your own code live in our online, interactive platform. You’ll even get AI-driven recommendations on what you need to review to help keep you on track.
Meet the creator of the course

Kenny Lin
Web Development Domain Manager at Codecademy Reviews from learners
- The progress I have made since starting to use codecademy is immense! I can study for short periods or long periods at my own convenience - mostly late in the evenings.ChrisCodecademy Learner @ USA
- I felt like I learned months in a week. I love how Codecademy uses learning by practice and gives great challenges to help the learner to understand a new concept and subject.RodrigoCodecademy Learner @ UK
- Brilliant learning experience. Very interactive. Literally a game changer if you're learning on your own.John-AndrewCodecademy Learner @ USA
Our learners work at
Unlock additional features with a paid plan
Practice Projects
Guided projects that help you solidify the skills and concepts you're learning.Assessments
Auto-graded quizzes and immediate feedback help you reinforce your skills as you learn.Certificate of Completion
Earn a document to prove you've completed a course or path that you can share with your network.