pxt-calliope/docs/lessons/headbands/quiz.md

# 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?

<br/>

<br/>

## 2. Write the line of code that will display the string "puppy" using `coll`.

```blocks
let coll: string[] = []
coll.push("puppy")
coll.push("clock")
```

<br/>

## 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")
```

<br/>

## 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[] = [];
```

<br/>

<br/>

<br/>

<br/>

## 5. Write the code to get a string from the collection at a random position.

<br/>

<br/>

<br/>

<br/>