"Open Data Structures" is another very useful free resource for anyone studying data structures and algorithms. 📚✨

The book discusses the implementation and analysis of basic structures: array-based lists, linked lists, hash tables, binary trees, red-black trees, heaps, sorting algorithms, graphs, and data structures for working with integers. 🔍🧮

This is a full-fledged open textbook for studying one of the fundamental topics of computer science and a good reference that's worth keeping on hand. 💻🌟

https://opendatastructures.org/ods-python.pdf 📄