What you are seeing
An anonymized, time-accurate reconstruction of one student solving one question.
Watch how students actually solve coding questions
Each replay combines a real terminal timeline (save, test run, and submission events) with synchronized commentary. These examples make learning patterns visible: what students try first, where they get stuck, and what changes when progress finally happens.
How to read it
Use commentary markers to jump to key moments and understand the learning or error pattern.
Why this matters
Concrete examples help educators move from abstract metrics to actionable teaching choices.
Select a replay
Choose any replay card to start watching with synchronized notes.
SAVE event marker
TEST RUN marker
SUBMISSION marker
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Synchronized Commentary
Click a note to jump to that moment in the replay.