張彥承

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>=0 and score<60):
    
11.     print("不及格!")
    
12. else:
    
13.     print("輸入錯誤!")
    
14.    

複製代碼