Worked on documentation and algorithm enhancements across the krafton-jungle/KJ-DS-BOOK-9-303 and krafton-jungle/KJ-ALGO-BOOK-9-303 repositories, focusing on improving clarity and usability for learners. Addressed broken internal links in hash table documentation, ensuring smoother navigation and reducing confusion. Authored a new document explaining the load factor concept and updated the main README to improve discoverability. Developed introductory content for selection sort, including step-by-step explanations and runnable Python implementations, with supporting images and references. Leveraged skills in technical writing, data structures, and Python to strengthen foundational materials, accelerate onboarding, and provide clear, accessible resources for contributors and users.