林睿謙

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>=80 and score<90):
   
8.    print("乙等")
   
9. elif(score>=80 and score<90):
   
10.    print("丙等")
    
11. elas(score>=80 and score<90):
    
12.    print("乙等")

複製代碼