盧承新

1. a=int(input("請輸入成績:"))
   
2. if a==100:
   
3.     print("優等")
   
4. elif a>=90 and a<=99:
   
5.     print("甲等")
   
6. elif a>=80 and a<=89:
   
7.     print("等")
   
8. elif a>=70 and a<=79:
   
9.     print("丙等")
   
10. elif a>=60 and a<=69:
    
11.     print("丁等")
    
12. elif a>=0 and a<=59:
    
13.     print("不及格")
    
14. 
    
15. else:
    
16.     print("錯誤")

複製代碼