王法棣

1. score=float(input('請輸入你的成績: '))
   
2. if(score<=100 and score>=90):
   
3.     print('優等!')
   
4. elif(score<90 and score>=80):
   
5.     print('甲等!')
   
6. elif(score<80 and score>=70):
   
7.     print('乙等!')
   
8. elif(score<70 and score>=60):
   
9.     print('丙等!')
   
10. elif(score<60 and score>=0):
    
11.     print('不及格!')
    
12. else:
    
13.     print('輸入錯誤!')

複製代碼