Python 打印是列表，但使用 while 循环返回不是列表

Question

isActiveData = isActive["Data"]
    isActiveDataLen = len(isActiveData)

    if isActiveDataLen > 0:
        while isActiveDataLen > 0:
            isActiveDataLen -= 1
            print (isActiveDataLen)

Result

10 9 8 7 6 5 4 3 2 1 0

if isActiveDataLen > 0:
        while isActiveDataLen > 0:
            isActiveDataLen -= 1
            return (isActiveDataLen)

Result

10

I have a program like this. But with print, I can extract the numbers I want from the while loop. When I use return, the while loop only works once and I cannot continue the program. How can I solve the problem?

Answer 1

When you use a return statement, the function stops and returns a value. If you want to extract a given number you can put it in an int for example and then return it at the end of your loop. Or if you want to return multiple values you can return a tuple with all the values you need to return (still at the end of your loop)