Grade for Class 4 Assignment

Good job, Sonam.

Watch your indentation! :watch: 

#### Exercise 1

- No crashes, works as expected. 4 points

#### Exercise 2

- No crashes, works as expected. 4 points
- Arrays are our friends. :heart_eyes_cat: 
- Prefer `each` over `loop`. In this case, the `i` index variable wasn't necessary.

#### Exercise 3

- No crashes, works as expected. 4 points
- Prefer `loop` over `while true` for infinite loops.
- Prefer the modifier usage of `expression if condition` with single-line bodies

#### Exercise 4

- No crashes, works as expected. 4 points
- Long! But most importantly, it works. :)

#### Exercise 5

- No crashes, works as expected. 4 points
- Long! But most importantly, it works. :)

#### Total

`4 + 4 + 4 + 4 + 4 = 20` :star2: