if...elif...else

鄭繼威

多向判斷式語法
if (條件式一) :
    程式區塊一
elif (條件式二):
    程式區塊二
elif (條件式三):
    程式區塊三
.........
else:
    else的程式區塊

---

1. score=int(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=int(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

盧宥廷

1. a=int(input("請輸入你的成績:"))
   
2. if a>=90 and a<=100:
   
3.     print("優等!")
   
4. elif a>=80 and a<=89:
   
5.     print("甲等!")
   
6. elif a>=70 and a<=79:
   
7.     print("乙等!")
   
8. elif a>=60 and a<=69:
   
9.     print("丙等!")
   
10. elif a>=0 and a<=59:
    
11.     print("丁等!")
    
12. else:
    
13.     print("系統錯誤，請再試一遍")

複製代碼

陳羨芮

1. a=float(input("請輸入成績:"))
   
2. print(f"您輸入的成績是{a}")
   
3. if(a>=90 and a<=100):
   
4.     print("哇!!太太太太厲害了!!!優等!!!")
   
5. elif(a>=80 and a<=89):
   
6.     print("不錯，之後可以邊啃雞腿邊複習!!甲等")
   
7. elif(a>=70 and a<=79):
   
8.     print("及格及格及格!!!萬歲萬歲萬歲!!乙等")
   
9. elif(a>=60 and a<=69):
   
10.     print("嘖嘖，怎麼可以輸給大家呢?!，下次我會迎大家!!丙等")
    
11. elif(a>=0 and a<=59):
    
12.     print("小心阿，別變大雄阿!!丁等")
    
13. else:
    
14.     print("輸入錯誤!!!")

複製代碼

李宥廷

1. n=int(input("輸入成績:"))
   
2. if n>=90 and n<=100:
   
3.     print("優!")
   
4. elif n>=80 and n<=89:
   
5.     print("甲!")
   
6. elif n>=70 and n<=79:
   
7.     print("乙!")
   
8. elif n>=60 and n<=69:   
   
9.     print("丙!")      
   
10. elif n>=0 and n<=59:  
    
11.      print("丁!")
    
12. else:
    
13.     print("錯誤!!!")

複製代碼

張晏齊

1. # -*- coding: utf-8 -*-
   
2. """
   
3. Spyder Editor
   
4. 
   
5. This is a temporary script file.
   
6. """
   
7. score=eval(input("請輸入你的成績: "))
   
8. if score>=90 and score <=100:
   
9.     print("優等!")
   
10. elif score>=80 and score<89:
    
11.     print("甲等" )
    
12. elif score>=70 and score<79:         
    
13.     print("乙等" )     
    
14. elif score>=60 and score<69:
    
15.     print("可憐哪")
    
16. elif score>=0 and score<59:
    
17.     print("不及格!")
    
18. else:
    
19.     print("輸入錯誤!")

複製代碼

盧宥熏

1. a=int(input("請輸入成績"))
   
2. print( f"你的成績是{a}")
   
3. if  a>=90 and a<=100:
   
4.     print("優等")
   
5. elif a>=80 and a<90:
   
6.     print("甲等")
   
7. elif a>=70 and a<80:
   
8.     print("乙等")
   
9. elif a>=60 and a<70:
   
10.     print("丙等")
    
11. elif a>=0 and a<60:
    
12.     print("不及格")
    
13. else:
    
14.     print("輸入錯誤")

複製代碼

鄭繼威

1. a=int(input("請輸入成績:"))
   
2. print("你的成績",a)
   
3. #90~100
   
4. if(a>=90 and a<=100):
   
5.     print("優等!")
   
6. #80~89
   
7. elif(a>=80 and a<=89):
   
8.     print("甲等!")
   
9. #70~79
   
10. elif(a>=70 and a<=79):
    
11.     print("乙等!")
    
12. #60~69
    
13. elif(a>=60 and a<=69):
    
14.     print("丙等!")
    
15. #0~59
    
16. elif(a>=0 and a<=59):
    
17.     print("丁等!")
    
18. else:
    
19.     print("輸入錯誤")

複製代碼