蔡旭隆

1. score=int(input("請輸入成績"))
   
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")

複製代碼