劉奕劭

1. score=int(input("請輸入你的成績:"))
   
2. score=int(score)
   
3. if score>=90 <100:
   
4.     print("優")
   
5.    
   
6. elif score>=80 <90:
   
7.     print("甲")
   
8. elif score>=70 <80:
   
9.     print("乙")
   
10. elif score>=60 <70:
    
11.     print("丙")
    
12. else:print("不及格")

複製代碼

劉奕劭

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

複製代碼