s = Text1.Text
For i = 1 To Len(s)
ch = Mid(s, i, 1)
nk = Asc(ch) - i
If nk < 0 Then nk = nk + 127
Text2.Text = Text2.Text + Chr(nk)
Next i
已知大写字母A的ASCII码值为65,小写字母a的ASCII码值为97,在文本框Text1中输入内容“yhT5”,执行程序段后,文本框Text2显示的内容为( )
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