◀ 11.1c11.1d11.1e ▶

11.1d — Create PT: Build Day 3

The list works (11.1b), the algorithm works (11.1c). Today: the parts the VIDEO shows — input the user gives, output the user sees, and the 60-second path through your program that will become the recording. Build day for the audience.

Build Day ~50 min

Input (the rubric row: a program that responds):

Keyboard, mouse, buttons, or a text field — your choice, but it must be GENUINE input: the user's action changes program behavior (1.4 was your first one; a PT grader needs to SEE it change the output)
Two inputs beat one: a "draw card" AND a "sort hand" proves the program's responsiveness twice

Output (what the video shows as behavior):

Upgrade your Day-1 Debug.Logs into on-screen text or UI — the video is graded on OBSERVABLE behavior
The output should DIFFER with different input — that is the whole point of input/output as a pair: type one thing, see result A; type another, see result B. Film both.

The demo path (design it like a level — 7.5 skills!):

Seconds 0–10: state the purpose in text on screen (not voiceover-only)
10–35: give one input, show the algorithm's result (list visibly changes)
35–55: give a different input, show the different output
55–60: the list's final state, readable on screen

Rehearse it three times TODAY — the recording happens on 11.2a and takes under 5 minutes if the path is tight, or an hour of retakes if it is not.

Close of Day ~5 min

Socratic: The 60-Second Path

You rehearsed the 60-second path through your program. Where does the viewer see something change because of something they typed?Your answer
The video must show input, behavior and output. Which of the three is hardest to see right now, and what will you do about it before recording?Your answer
You found an edge case you can talk about. Which bug taught you something about your own program — the one you will tell as your story for WR2b?Your answer

Checkpoint — before moving on, you must be able to:

Demonstrate input changing program behavior on screen
Show output that differs per input
Walk the 60-second demo path without console output
Rehearse it in front of a witness and survive

Reference Docs

Need a deeper explanation? These pages cover the same concepts:

Create PT guide — video rules
Exam Hub — dates and deliverables

Next: 11.1e — Create PT: Build Day 4 + List Check

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