## Chapter 8: If (Emoji)

## DRAFT DRAFT

This is a draft

# A function with emoji

Today, we are going to write a function named `emoji=`

that returns an emoji:

- ðŸ˜ƒ when two things are equal
- ðŸ˜¡ when two things are not equal

```
(def emoji= #(if (= %1 %2) (quote ðŸ˜ƒ ) (quote ðŸ˜¡)))
```

```
(emoji= (* 2 2) 4)
```

```
(emoji= (* 2 3) 7)
```

# Exercises

A. Ask the computer if it is true that `7`

times `6`

is greater than `40`

:

```
()
```

B. Is it true that `5`

and `7`

is less than `13`

?

```
()
```

C. Is it true that `3`

times `4`

is `12`

?

```
()
```

D. Is it true that `3`

times `6`

equals `10`

and `8`

?

```
()
```

E. Is it true that `7`

times `7`

is greater than `10`

times `6`

?

```
()
```

Send us a screenshot with your programs to viebel@gmail.com.