曾博宇

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")

複製代碼