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Data Structures

Pick the right structure for the job: Big-O, stacks, queues, hash tables, trees and heaps in Python

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  1. 1

    Data Structures: Big-O in Practice and Choosing by Operation

    5-stop ride6 min read

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  2. 2

    Stacks and Queues in Python: Use Cases and collections.deque

    5-stop ride5 min read

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  3. 3

    Hash Tables in Python: Collisions, Load Factor and a Mini Build

    5-stop ride6 min read

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  4. 4

    Trees and Heaps in Python: Traversals and heapq in Practice

    5-stop ride6 min read

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Each ride has 5 stops: read the trick, answer the question, ride on. Pass with 3 of 5 correct (1 star), 4 for 2 stars, all 5 for 3 stars. Progress is saved in this browser. Prefer to read first? Open the reading version of Data Structures.