林侑成

1. score=float(input("your score: "))
   
2. if(score>=90 and score<=100):
   
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("wrong")

複製代碼