s=Text1.Text

n=Len(s)                's是待判断的字符串

k=0: j=n

For i=1 to n\2

    c1=Mid(s, i, 1)

    c2=Mid(s, j, 1)

    If c1 <> c2 Then k = k+1: Exit For

        j={#blank#}1{#/blank#}

    Next i

    If{#blank#}2{#/blank#} Then Label1.Caption="对称" Else Label1.Caption="不对称"

Private Sub Command1_Click()

    Dim a(0 To 9) As Integer

    Dim t as Long

    t = Val(Text1.Text)

    Do While t <> 0

        a(t Mod 10) = 1

        t = t \ 10

    Loop

    For i = 0 To 9

        x = x + a(i)

    Next i

End Sub

若在文本框Text1中输入10242048，则程序执行后，变量x的值为（  ）

import random

a,i,c=[],0,0

while i<5:

    b=random.randint(0,9)

    if b not in a:

        a.append(b)

        i+=1

key=int(input("key="))

for j in range(len(a)):

    if a[j]%key==0:

        c+=1

    else:

        a[j-c]=a[j]

print(a)

运行该程序，若输入 key 为2，则输出的a 不可能为（   ）

   from math import *

def dist(x1, y1, x2, y2):

    length = sqrt((int(x1) - int(x2))**2 +    ①     )

    return length

a = input("请输入各点的坐标：")    # 如“2,3,4,5”则表示坐标点（2,3）和（4,5）

b = a.split(",")

if len(b) % 2 != 0:

    print("输入的坐标有误！")

else:

    s = 0

    for i in range(0,    ②      , 2):

        s = s +     ③    

print("折线的长度为：", s)

k = 3

cj,Sum = 0,0,0

for i in range(len(s)):

    ch = s[i]

    if '0' <= ch <= '9':

        c = c * 10 + int(ch)

        j += 1

    else:

        if j == k:

            Sum += c

        j,c = 0,0

字符串 s 为"wz500ai2024ok102"时，执行该程序段后，Sum 的值为（   ）