---
title: "Discussion on \"🎯 Sets Explained Like You're 5\" | Hashnode"
description: "Discussion on \"🎯 Sets Explained Like You're 5\". Collections with no duplicates\nDay 135 of 149\n👉 Full deep-dive with code examples\n\nThe Guest List Analogy\nYou're making a party guest list:\n\nAdd \"Alice\" → Alice is on the list\nAdd \"Bob\" → Bob is on the list\nAdd \"Alice\" again → Nothing happens! She's..."
url: "https://hashnode.com/posts/sets-eli5-moyxsbor/69ffba09f08d1851bf741fd8"
---

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# [🎯 Sets Explained Like You're 5](https://esreekarreddy.hashnode.dev/sets-eli5-moyxsbor?utm_source=hashnode&utm_medium=feed)

Collections with no duplicates Day 135 of 149 👉 Full deep-dive with code examples The Guest List Analogy You're making a party guest list: Add "Alice" → Alice is on the list Add "Bob" → Bob is on the list Add "Alice" again → Nothing happens! She's...

May 9 · 2 min read · esreekarreddy.hashnode.dev  
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-   [#beginners](https://hashnode.com/tag/beginners)
-   [#datastructures](https://hashnode.com/tag/datastructures)
-   [#eli5](https://hashnode.com/tag/eli5)

## Written by

[Sreekar Reddy](https://hashnode.com/@esreekarreddy)

@esreekarreddy · Sydney, Australia

  
[View profile](https://hashnode.com/@esreekarreddy)

AI engineer in making. Explaining tech like you're 5.

Building AI systems and writing about how they actually work. Master of AI @ University of Technology Sydney. Previously B.Tech CS with focus on IoT. I believe the best way to learn is to explain. That's why I'm documenting tech concepts with simple analogies (@sreekarreddy.com). AWS Certified • Azure AI Certified • Neo4j Professional • Google Data Analytics When not coding: exploring Sydney, working on side projects, and teaching tech to anyone who'll listen.

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