Sort By Frequency - Must-Know DSA Pattern for FAANG & Data Interviews!

Struggling with DSA problems in interviews? This step-by-step animation breaks down the "Sort Elements by Frequency" pattern — a frequent question in FAANG and Data Engineer interviews. ✅ What you’ll learn: • Hashmap-based frequency count • Custom sorting logic using tuples • Clean Python implementation • Visual walkthrough of every step 👨‍💻 Perfect for: • Data Engineers prepping for SQL + DSA rounds • Software Engineers targeting Big Tech • Anyone mastering problem-solving patterns code link: https://github.com/Nishant-DS/DSA/blob/main/sortArrayByFrequency.py 🔔 Watch the full playlist here: https://www.youtube.com/playlist?list=PLlIjgXjvFQh1Ng1AgNnGrgWw3xDfj0F_T 📺 Cracking Data + Coding Interviews 👇 Drop your toughest DSA question in the comments. Let’s solve it next! 0:00 Problem Explanation 1:22 Solution Walkthrough 8:45 Live Coding