鄧塏諺

1. a=int(input("國文成績"))
   
2. if a>=90 and a<=100:
   
3.     print("優等")
   
4. elif a>=80 and a<=89:
   
5.     print("甲等")
   
6. elif a>=70 and a<=79:
   
7.     print("乙等")
   
8. elif a>=60 and a<=69:
   
9.     print("丙等")
   
10. elif a>=0 and a<=60:
    
11.     print("不及格")
    
12. else:
    
13.     print("輸入錯誤")

複製代碼