陳沛頤

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