LeetCode 929: Unique Email Addresses Made Easy For Complete Beginners – Python Tutorial
📧 LeetCode 929: Unique Email Addresses – Python Tutorial
In this beginner-friendly tutorial, we solve LeetCode 929 Unique Email Addresses step by step. You’ll learn how to process and normalize email strings using simple string manipulation techniques in Python. This is a classic string + hash set problem that frequently appears in coding interviews.
We’ll break everything down clearly so complete beginners can understand how to clean email addresses, ignore dots, handle plus signs, and count unique results efficiently.
📌 You’ll Learn:
✅ How email normalization works
✅ Using string splitting and parsing in Python
✅ How to ignore dots (.) and handle plus (+) rules
✅ Using a hash set to track unique emails
✅ Time & space complexity explained simply
✅ The string + hash set pattern used in interviews
🎯 Perfect For:
Python beginners 🐍
Anyone practicing string manipulation problems
Coding interview prep & LeetCode grind 💻
People learning hash sets and parsing techniques
🔗 Problem Link:
https://leetcode.com/problems/unique-...
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