python 3從列表中增加元素並打印總數

Question

我試圖弄清楚我使用我的代碼時遇到的問題。 我想輸出導致：

Enter the high integer for the range 100 
Enter the low integer for the range 20 
Enter the integer for the multiples 15 
List was created 
The list has 5 elements. 
90 75 60 45 30 
Average of multiples is 60.00 

我可以計算出「名單被創造」的一部分....但它說：「名單有5種元素。」在我的代碼中，它一直返回30而不是5.我想知道是否有人可能會指向正確的方向或部分返回正確的值。我非常感謝你在這件事情上的幫助。

def main(): 
    x = int(input('Enter the high integer for the range: ')) 
    y = int(input('Enter the low integer for the range: ')) 
    z = int(input('Enter the integer for the multiples: ')) 
    mylist = show_multiples(x,y,z) 
    show_multiples(x,y,z) 
    show_list(mylist) 

def show_multiples(x,y,z): 
    mylist = [] 
    for num in range(x,y,-1): 
     if num % z == 0: 
      mylist.append(num) 
    return mylist 
    print ('List was created') 

def show_list(mylist): 

    total = 0 
    for value in mylist: 
     total += value 
     average = total/len(mylist) 
    print ('The list has', value, 'elements.') 
    print (mylist,end=' ') 
    print() 
    print ('Average of multiples is', format(average, '.2f')) 

main() 

Answer 1

看起來你只是打印錯誤的值：

print ('The list has', value, 'elements.') 

應該是：

print ('The list has', len(mylist), 'elements.')