LeetCode 953 | Verifying an Alien Dictionary | Custom Order String Comparison in Python | AlgoYogi

🚀 **Start Your Smart Coding Prep at** 👉 [AlgoYogi.io](https://algoyogi.io) Welcome to **AlgoYogi**! In this video, we solve **LeetCode problem 953: Verifying an Alien Dictionary** using Python. Learn how to compare words based on a given alien alphabet order—an excellent exercise in **custom string comparison** and dictionary order logic. 👉 **LeetCode Problem Link:** [Verifying an Alien Dictionary – LeetCode 953](https://leetcode.com/problems/verifying-an-alien-dictionary/description/) --- ### ⏱️ Timestamps 0:00 Introduction 0:20 Problem Explanation & Constraints 2:40 Approach: Build Order Map and Compare Adjacent Words 9:40 Python Code Walkthrough 14:40 Time & Space Complexity --- ### 💡 Why Watch? - Understand how to create a **mapping for custom character order** - Learn how to **compare strings lexicographically** using this mapping - Build skills for handling **non-standard or domain-specific sorting** --- ### 📢 Next Steps: - Try related problems: - **Alien Dictionary II** - **775: Is Graph Bipartite?** (for custom orders in graphs) - **Word Pattern** - Share your implementation or edge cases in the comments! 👍 Like, 💬 Comment, and 🔔 Subscribe to **AlgoYogi** for clean Python tutorials and LeetCode interview prep! #LeetCode #Python #AlienDictionary #AlgoYogi #CodingInterview