Private Sub Command1_Click()

a = 0 

For i = 8 To 100 Step 8

    a = a + 1

Next i 

End Sub

For {#blank#}1{#/blank#} to 9

    For b=0 to 9

        For c=0 to 9

            For d=0 to 9

                X={#blank#}2{#/blank#}

                If {#blank#}3{#/blank#} then

                    print x

                End if

            Next d

        Next c

    Next b

Next a

s='t1Hr2a3'

s1='' ; s2=''; i = 0

while i < len(s):

  if '0'<=s[i]<='9': 

    s1 = s1 + s[i] 

  elif 'a'<=s[i]<='z':

    s2 = s[i] + s2 

    i = i + 1

    ans = s2 + s1

print(ans)

程序执行后，输出的结果是(      )

1）def factoria1（n）：     #求n！

2）  s=1

3）  for i in range（2，n+1）：:

4）          s=s*i

5）     return s

6）print（factorial（4））