林依玟

1. score=int(input("請輸入你的成績:"))
   
2. if(score>=90 and score<=100 ):
   
3.     print("優等!")
   
4. elif(score>=80 and score<89 ):
   
5.     print("甲等")
   
6. elif(score>=70 and score<79):
   
7.     print("乙等")
   
8. elif(score>=60 and score<69):
   
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