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Free module

Algorithms and programming

Searching, sorting, recursion, stacks, graphs and how fast an algorithm is, written in Python and tested in a data lab.

6 lessons295 min lesson

The lessons

Each lesson is free to read in full. Create a free account to run its commands in a live lab and to sit its quizzes and tasks.

  1. 1 · Container lab

    Finding an item fast (binary search)

    I can find an item with linear and binary search.

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  2. 2 · Container lab

    Putting a list in order (sorting)

    I can sort a list with bubble, insertion and merge sort.

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  3. 3 · Container lab

    How time grows with the data (Big O)

    I can compare algorithms by how their time grows.

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  4. 4 · Container lab

    Last in or first in (stacks and queues)

    I can use a stack and a queue.

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  5. 5 · Container lab

    Functions that call themselves (recursion)

    I can write a function that calls itself.

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  6. 6 · Container lab

    Finding the shortest route (breadth-first search)

    I can find a shortest path.

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Worked in a real lab

Every lesson of this module is worked in a lab started for you alone. The labs it uses:

Teaching a class? Set this module for your students with a teacher guide, marked assignments and a lab for every student.