People could send a text message with the code and get a message back confirming that what they bought is listed in a database.

VOA: special.2010.03.01

If I want to get values back out, p I could in fact simply send to that instance a message, in this case I could say p dot x.

我就是，我刚刚在这里输入的，我得到了一个c，point的实例,如果我想把值取出来，实际上我可以。

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