李允呈

1. t=int(input("請輸入你的成績: "))
   
2. if t<=100 and t>=90:
   
3.     print("優等!")
   
4. elif t<=89 and t>=80:
   
5.     print("甲等!")
   
6. elif t<=79 and t>=70:
   
7.     print("乙等!")
   
8. elif t<=69 and t>=60:
   
9.     print("丙等!")
   
10. elif t<=59 and t>=0:
    
11.     print("丁等!")
    
12. else :
    
13.     print("輸入格式錯誤")

複製代碼