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Practical tutorials for the work we actually do. Pick one, read it in order, and apply it.

Any category Programming2 Python 1 JavaScript 1
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Data Structures and Algorithms Beginner Clear filters 2 results
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Python Lists in 15 Minutes: Add, Remove, Loop, Done

The four list moves you need on day one: make a list, add to it, remove from it, and loop over it. Plus the one mistake that gives wrong results without any error. Nothing more. The rest can wait until you need it.

5 min read
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JavaScript Arrays in 15 Minutes

Arrays hold lists: cart items, names, scores. Create them, read them, add and remove items, find things, and copy them without changing the original by accident.

4 min read