Programming Basics: Repeat a Group of Steps

Trace a fixed-count loop and notice which instructions are inside it.

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5 questions0m 0s

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REPEAT 3 TIMES means execute its body three times. END marks the end of that body. In this plan, DRAW DOT is inside the loop and DRAW LINE is after END, so only the dot action repeats.

Worked example

REPEAT 3 TIMES: DRAW DOT; END; DRAW LINE produces three dots followed by one line. With a repeat count of zero, the body is skipped but the later line still happens.

REPEAT 3 TIMES contains DRAW DOT. After END, DRAW LINE runs once. The result has three dots and a single line.

Would you believe it?

A loop can execute its body zero times. Skipping the body does not skip the whole program: later instructions can still run.

Python documentation: loops

Question 1 How many dots does the example draw? 4 3 1

Question 2 How many lines does the example draw? 1 3 0

Question 3 If the repeat count changes to 4, how many dots appear? 3 8 4

Question 4 With REPEAT 0 TIMES and the same later line, what appears? One dot and one line Only one line No marks at all

Question 5 To draw a line on every repetition, where should DRAW LINE go? Inside the loop before END Only after END Before the whole program

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