Choosing a data structure
Picking from the access pattern rather than from habit: how often you look up, how often you append, whether order matters, whether duplicates do.
We mark it against a checklist you can read first
What counts as knowing this
Pick a structure from the access pattern and say what the alternative would have cost
A check for this one skill
Up to 2 questions on this skill alone, marked against the bar beside this. It stops as soon as the answer is clear. No account, and your answers are not kept.
You'll need these first
Start on Python Fundamentals
Every skill above, ordered by what depends on what, with the projects above that as the evidence you actually did it. We work out where you already are first, so the path skips what you can do.
Start this path