林柏勳

1. score=float(input("請輸入成績:"))
   
2. if score>=90 and>=100:
   
3.     print("優")   
   
4. elif score>=80 and>90:
   
5.     print("甲")
   
6. elif score>=70 and>80:
   
7.     print("乙")
   
8. elif  score>=60 and>70:
   
9.     print("丙")
   
10. elif  score>=0 and>:60
    
11.     print("不及格")
    
12. else
    
13.     print("輸入錯誤~斬")

複製代碼