許晨希

1. a=int(input("請輸入你的成績:"))
   
2. 
   
3. if(a>=90 and a<=100):
   
4.     print("優等")
   
5. elif(a>=80 and a<90):
   
6.     print("甲等")
   
7. elif(a>=70 and a<80):
   
8.     print("丙等")
   
9. elif(a>=60 and a<70):
   
10.     print("乙等")   

複製代碼