Dev.to
6/29/2026

The original title is "What I Learned in Week 8 of Python — Stacks, Queues & Linked Lists"
Original: What I Learned in Week 8 of Python — Stacks, Queues & Linked Lists
Short summary
Author implements stacks, queues, and linked lists from scratch in Python, walking through classic problems like valid parentheses and reverse linked list to cement understanding of fundamental data structures and how they behave under the hood.
- •Stacks (LIFO) implemented with clear example: valid parentheses checker using push/pop semantics
- •Queues (FIFO) with deque for O(1) performance; includes exercise building stacks from queue primitives
- •Linked lists using pointers; reverse linked list as capstone problem for grasping node-based structures
Generated with AI, which can make mistakes.
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