🔍 Today I Learned Hash Tables — Collisions, Resizing, and a Duplicate Finder in Python

📘 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...