Grade for Class 4 Assignment

Good job, John.

#### Exercise 1

- No crashes, but doesn't work as expected. 3 points
- The `words` variable is being reassigned to `[]` during each iteration of the loop.  :sweat: 

#### Exercise 2

- No crashes, but doesn't work as expected. 3 points
- Need to use the `rjust` instead of the `ljust` method for the rightmost column. :weary: 

#### Exercise 3

- No crashes, works as expected. 4 points
- Late. -1 point
- Prefer the modifier usage of `if condition` statements with single-line body

#### Exercise 4

- No crashes, works as expected. 4 points
- Late. -1 point
- Omit the `return` keyword for the last expression of a method

#### Exercise 5

- No crashes, but doesn't work as expected. 3 points
- There's a bug where `"IV"` is associated with `5` instead of `4`
- Omit the `return` keyword for the last expression of a method

#### Total

`3 + 3 + 4 - 1 + 4 - 1 + 3 = 15`

Consistently turning in assignments late will start to take a toll.