👉 LeetCode #217 – I solved Contains Duplicate in Python

In this video, I solve the LeetCode problem #217 – Contains Duplicate using Python. I first start with a simple brute-force approach, then improve it with a more efficient solution by sorting the array and checking adjacent elements. 💡 Problem: Given an integer array, return true if any value appears at least twice. 🧠 What you’ll learn: Brute force vs optimized solution How sorting simplifies the problem Time complexity improvement 🚀 Code language: Python 🐍 📊 Problem: LeetCode #217 – Easy 👍 If you enjoy: Python coding challenges LeetCode solutions explained Algorithm thinking 👉 consider subscribing for more coding videos.