Grade for Class 8 Assignment

Good job, Matthew.

### Study the changes provided

#### Exercise 1

- No crashes, works as expected. 4 points

#### Exercise 2

- No crashes, works as expected. 4 points

#### Exercise 3

- No crashes, but doesn't work as expect. 3 points
- The purpose of this exercise was to pass the `lunch` argument into the `block_param` parameter.

#### Exercise 4

- No crashes, but doesn't work as expect. 3 points
- Same as above, but I won't penalize you twice for the same thing. +1 point

#### Exercise 5

- No crashes, but doesn't work as expect. 3 points
- Doesn't handle the case when `current_hour` is `0`
- The purpose of the exercise was to do all your work inside the `grandfather_clock` method definition

#### Exercise 6

- No crashes, but doesn't work as expect. 3 points
- Same as above, but I won't penalize you twice for the same thing. +1 point

#### Exercise 7

- No crashes, works as expected. 4 points

#### Total

`4 + 4 + 3 + 3 + 1 + 3 + 3 + 1 + 4 = 26` :star: