Loops

Repeated action, accumulating state, and stopping conditions.

Novices and models both lose track of what is true after each iteration. Tracing a tiny loop is cheaper than debugging a generated one.

Identify Terminology L1 Knowledge Atoms ~1 min

What is one pass of a loop called?

Each complete run of the indented block, once for each item in the list, is called a(n) ...?

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Match Terms to Definitions L1 Knowledge Atoms ~2 min

Match each term to the definition that fits it. The code is there so you can see what each term refers to; …

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Program Tracing L2 Comprehension Relations ~3 min

What is printed when this program finishes?

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Explain Code L2 Comprehension Blocks ~3 min

Explain in plain English what this code does. Say what repeats, what changes each time, and what the program finally shows.

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Complete the Code L3 Application Blocks ~2 min

The program should print the numbers 1, 2, 3, 4, 5, each on its own line. Which arguments complete range(...)?

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Compare Solutions L4 Analysis Relations ~4 min

Two AI-generated programs both try to print the total of the numbers in a list. Each is a separate program. Compare them. …

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Extend the Code L5 Synthesis Macro Structure ~5 min

This program totals a list of scores. Extend it so it also prints the average score. The average should be calculated once, …

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AI Suggestion Evaluation L6 Evaluation Relations ~4 min

Requirement: count_down(n) prints n, n-1, ... 1 and then prints Liftoff. An AI generated the function below. Accept or reject it, then …

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