Coding tests—no more struggling through them alone!
From non-majors to computer science majors, everyone is invited to the best free Python coding test course, designed to be easy to understand while building practical skills.
In the world of coding tests, Python is undoubtedly a standout language. Thanks to its concise and intuitive syntax, you can write code much more quickly and in far fewer lines than in C++ or Java, even when implementing the same logic.
This becomes a powerful weapon in coding test environments, where you must implement accurate code within a limited time. In addition, Python provides a wealth of powerful and efficient built-in data structures, such as lists and dictionaries, helping you solve even complex algorithmic problems with relative ease.
In this course, we will make the most of Python’s advantages to help you focus more on the essence of problems and invest your time in developing solution strategies.
This free course systematically covers everything you need to pass coding tests. First, we take an in-depth look at the principles of the core data structures (arrays, linked lists, stacks, queues, hash tables, trees, heaps, and graphs) that form the foundation of coding tests. Rather than simply memorizing concepts, you will gain a clear understanding through real-world examples of when and why each data structure is used. Next, you will master key algorithms (brute-force search, greedy algorithms, DFS/BFS, dynamic programming, and more).
* The course is updated weekly
For those preparing for coding tests for the first time with the goal of getting a job at an IT company: We provide the most efficient and proven learning roadmap for those who felt overwhelmed and unsure where or how to begin.
For those without a computer science background who aspire to become developers: We minimize difficult computer science terminology and break down conceptual barriers with easy-to-understand explanations and analogies that anyone can follow.
Various communities
An open chat room where you can communicate directly with developers and authors, including 900 working professionals
A Naver Cafe (with 1,700 members) where you can create and run various study groups.
