if...elif...else

陳育霖

1. score=eval(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

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

複製代碼