#!/usr/bin/env python
2 while True:
3
4 score=int(raw_input('please input your score(0-100): '))
5 if score >=90 and score <=100:
6 print 'your are A type'
7 elif 80<=score<=89:
8 print 'you are B type'
9 elif 70<=score<=79:
10 print 'you are C type'
11 elif 60<=score<=69:
12 print 'you are D type'
13 elif 0<=score<60:
14 print 'you are F type'
15 else:
16 print 'you are input a wrong score.'
