Test fibonacci generator (do this for both recursive and non-recursive functions)
| Input | Output |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | 1 |
| 3 | 2 |
| 10 | 55 |
| 40 | 102334155 |
Test that a user must correctly input the recursive option
| Input | Output |
|---|---|
| y | true |
| Y | true |
| n | false |
| N | false |
| apple | raise ValueError |
| never | raise ValueError |
| yorp | raise ValueError |
Test that a user must input a correct number
| Input | Output |
|---|---|
| 13 | return 13 |
| apple | raise ValueError |
| four | raise ValueError |
| 10.5 | raise ValueError |
| -5 | raise ValueError |