pxt-calliope/olddocs/lessons/digi-yoyo/quiz-answers.md
Tom Ball f4eca66648 move lessons out of web site
will move select lessons back to "educators" section
2016-06-14 11:49:58 -04:00

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# digi yoyo quiz answers
Answers for digi yoyo quiz.
This is the answer key for the [digi yoyo quiz](/lessons/digi-yoyo/quiz).
## 1. Describe what a "while loop" does?
<br/>
A loop that repeats code while a condition is true.
## 2. Write the code that will create a **variable** called `count` and set the variable to 0.
![](/static/mb/lessons/counter-0.png)
<br/>
```blocks
let count = 0
```
## 3. Create a `while loop` that will loop until the **variable** `count` equals 4.
![](/static/mb/lessons/digi-yoyo-0.png)
<br/>
```blocks
let count = 0
while (count < 5) {
count = count + 1
}
```