Write reusable code with functions and organize your programs using object-oriented programming concepts.
Join the AI Workshop to learn more about AI and how it can be applied to web development. Next cohort February 1st, 2026
The AI-first Web Development BOOTCAMP cohort starts February 24th, 2026. 10 weeks of intensive training and hands-on projects.
Functions are reusable blocks of code, and object-oriented programming lets you organize code into classes and objects. This unit covers both fundamental concepts, from basic functions to advanced OOP techniques.
Lessons in this unit:
| 0: | ▶︎ Introduction |
| 1: | Functions |
| 2: | Lambda functions |
| 3: | Nested functions |
| 4: | Recursion |
| 5: | Closures |
| 6: | Objects |
| 7: | Classes |
| 8: | Polymorphism |
| 9: | Operator overloading |