📚 Implementation Roadmap Arrays: A collection of elements, each identified by an index or a key. Operations: Access (read/write) an element by index. Search for an element. Insert an element at a specific index. Delete an element from a specific index. 📚 Solutions 🌟 Arrays Notes Whiteboard Code Implementation Tests 🌟 Array Reverse Challenge Description Notes Whiteboard Code Implementation Tests 🌟 Array Shift Challenge Description Notes Code Implementation Tests 🌟 Linked Lists Challenge Description Notes Code Implementation Tests 🌟 Trees Challenge Description Notes Code Implementation Tests