楊子瑩

1. score=input("請輸入你的成績: ")
   
2. score=float(score)
   
3. if(score>=90 and score<=100):
   
4.    print("優等!")
   
5. elif(score>=80 and score<90):
   
6.    print("甲等!")
   
7. elif(score>=70 and score<80):
   
8.    print("乙等!")
   
9. elif(score>=60 and score<70):
   
10.    print("丙等!")
    
11. elif(score>=0 and score<60):
    
12.    print("不及格!")
    
13. else:
    
14.    print("輸入錯誤...斬!")

複製代碼