洪寬瀧

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

複製代碼