L1 · Required

Data structures and complexity

Use data structures and complexity to make decisions inspectable.

What you should be able to do

Independently: Compare lists and dictionaries for lookup tasks.

Suggested prerequisites

A short guide

Use data structures and complexity to make decisions inspectable. Compare lists and dictionaries for lookup tasks. Read the indicated source section, identify its key concepts and conditions, and work through the example. Record inputs, sources, units and assumptions. Keep your method separate from the result, mark unanswered questions, and review the output against the checklist.

An example

A dictionary is useful for lookups by unique ID.

Your task

Compare lists and dictionaries for lookup tasks.

Start with this source

Read the indicated section relevant to data structures and complexity and complete the foundation task.

This source is awaiting renewed review. Try the task above and adjacent skills; reviewed sources will appear here.

Your learning checklist

Required items: 0 / 10 completed or already known

Device storage

Next: Read a role through its responsibilities

Checklist statuses are self-reported; exercise scores are recorded separately. You can reset any item.

Self-check