黃家穎

1. score:float(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<90):
   
5.     print("甲等!")
   
6. elif(score>=70 and score<80):
   
7.     print("乙等!")
   
8. elif(score>=60 and score<70):
   
9.     print("丙等!")
   
10. elif(score>100 and <0)
    
11.     print("輸入錯誤!")
    
12. elif(不及格)
    
13. print(不及格...斬!)

複製代碼