pxt-calliope/docs/lessons/headbands/quiz.md
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# headbands quiz
create a charades game with a collection of strings.
## Name
## Directions
Use this activity document to guide your work in the [headbands tutorial](/lessons/headbands/activity).
Answer the questions while completing the tutorial. Pay attention to the dialogues!
## 1. What is the meaning of the term 'collection' in programming? What is a 'collection' of strings?
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## 2. Write the line of code that will display the string "puppy" using `coll`.
```blocks
let coll: string[] = []
coll.push("puppy")
coll.push("clock")
```
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## 3. Write the line of code that will display the string "cat" using `coll`.
```blocks
let coll: string[] = []
coll.push("puppy")
coll.push("clock")
coll.push("cat")
```
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## 4. Write the five (5) lines of code that will add the following five words to `coll`: puppy, clock, night, cat, cow.
```typescript
let coll : string[] = [];
```
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## 5. Write the code to get a string from the collection at a random position.
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