Python Day 3: Your Data Structures Are Not What You Think (Lists, Tuples, Sets Internals)
You think a list is just a collection of items. It is not. It is a memory-managed structure with real trade-offs. Today, you stop using data structures blindly. Today’s Goal By the end of today, you will: Understand how lists, tuples, and sets work internally Learn time and space complexity Choose the right structure based on behavior and cost The Illusion data = [1, 2, 3] You think this stores values. Reality: [ ptr | ptr | ptr ] -> references to objects A list stores references, not values. ...