write a short description for this homework
use keyboard input for score,
use if-elif-else to convert score [0-100] to A, B, C, D, F
output should be A, B, ..., F.
A
sample run:
Display "Your
grade is F."
False
True
score
< 60
False
True
score
< 70
False
True
score
< 80
False
True
score
< 90
Display "Your
grade is A."
Display "Your
grade is D."
Display "Your
grade is C."
Display "Your
grade is B."
Please type in your score:99
Your grade is: A