---
title: "Discussion on \"🔍 Today I Learned Hash Tables — Collisions, Resizing, and a Duplicate Finder in Python\" | Hashnode"
description: "Discussion on \"🔍 Today I Learned Hash Tables — Collisions, Resizing, and a Duplicate Finder in Python\". 📘 What are Hash Tables?\nA hash table (also known as a dictionary or map) stores data in key-value pairs. It's like a super-fast lookup table.\nExample:\nstudent_scores = {\n    \"Alice\": 90,\n    \"Bob\": 85,\n    \"Charlie\": 78\n}\n\n\nKeys (\"Alice\") are hashed..."
url: "https://hashnode.com/posts/today-i-learned-hash-tables-collisions-resizing-and-a-duplicate-finder-in-python/68488d0f9f28f95bd035bd64"
---

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# [🔍 Today I Learned Hash Tables — Collisions, Resizing, and a Duplicate Finder in Python](https://kasumbidatastructures.hashnode.dev/today-i-learned-hash-tables-collisions-resizing-and-a-duplicate-finder-in-python?utm_source=hashnode&utm_medium=feed)

📘 What are Hash Tables? A hash table (also known as a dictionary or map) stores data in key-value pairs. It's like a super-fast lookup table. Example: student\_scores = { "Alice": 90, "Bob": 85, "Charlie": 78 } Keys ("Alice") are hashed...

Jun 10, 2025 · 2 min read · kasumbidatastructures.hashnode.dev  
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