Update README.md with comprehensive project documentation

README.md

@@ -13,6 +13,8 @@ This repository contains a collection of common programming problems and data st
 - [Sorting](#sorting)
 - [Graph Algorithms](#graph-algorithms)
 - [Error Handling](#error-handling)
+- [Usage](#usage)
+- [License](#license)
 - [Acknowledgments](#acknowledgments)
 
 ---
@@ -145,6 +147,10 @@ Trim a BST so all nodes are within a given range `[min, max]`.
 Implementing a tree using classes and references.
 - **File**: `Trees/TreeRepresentationWithNodesReferences.py`
 
+### Tree Representation (List of Lists)
+Implementing a tree using a list of lists.
+- **File**: `Trees/buildTreeTest.py`
+
 ### Tree Level Order Print
 Print a binary tree in level order.
 - **File**: `Trees/TreeLevelOrderPrintImple.py`
@@ -204,6 +210,21 @@ Demonstrates `try-except-else-finally` blocks and user input validation.
 
 ---
 
+## Usage
+Most of the scripts are standalone and can be executed directly using Python 3.
+
+Example:
+```bash
+python3 Arrays/Anagram_Check_Sorted_Sol.py
+```
+
+---
+
+## License
+This project is licensed under the MIT License.
+
+---
+
 ## Acknowledgments
 - [Python for Data Structures, Algorithms, and Interviews on Udemy](https://www.udemy.com)
 - [Problem Solving with Algorithms and Data Structures using Python](http://interactivepython.org/runestone/static/pythonds/index.html)