Grade for Class 4 Assignment

Good job, Mike.

#### Exercise 1

- No crashes, works as expected. 4 points
- Name variables on their content, not their type

#### Exercise 2

- No crashes, works as expected. 4 points
- Arrays and iterators go hand-in-hand

#### Exercise 3

- No crashes, works as expected. 4 points
- Prefer modifier usage of `if` statements with a single-line body.

#### Exercise 4

- No crashes, works as expected. 4 points
- Here's my solution to compare.

#### Exercise 5

- No crashes, works as expected. 4 points
- Here's my solution to compare.

#### Total

`4 + 4 + 4 + 4 + 4 = 20` :star2: