Problem
Given a score score, write a function solution that returns a grade based on the following criteria:
- 90 or above:
A - 80 to 89:
B - 70 to 79:
C - 60 to 69:
D - Below 60:
F
Constraints
scoreis an integer between 0 and 100 inclusive.
Test Case
| Test Case Number | score | return |
|---|---|---|
| 1 | 95 | "A" |
| 2 | 82 | "B" |
| 3 | 45 | "F" |
Explanation for Test Case 1
- When
score = 95, it is 90 or above, so returnA.
Explanation for Test Case 2
- When
score = 82, it is between 80 and 89, so returnB.
Explanation for Test Case 3
- When
score = 45, it is below 60, so returnF.