Let us go back to the "Revolt on the Amistad" print we told about at the beginning of this story.

VOA: special.2009.09.02

In there, I want to make this distinction, this nuance: the evaluator is still going to be taking those expressions and using its rules to get a value, but it's not going to print them back out.

在这里，我想要做这么一个，细微差别：运算器依然会,对表达式,进行求值，但是不会,显示结果值。

麻省理工公开课 - 计算机科学及编程导论课程节选

But if it is not, it's going to print out a message here saying, you screwed up, somewhat politely, and it's going to go back around. So it'll just cycle until I get something of the right type.

但是输入不是浮点数的话,我这里就会显示一个消息说，你搞砸了，该稍微有点礼貌吧？,然后我们继续执行循环,一直到得到正确类型的输入。

麻省理工公开课 - 计算机科学及编程导论课程节选

Which is to say, it's pretty plain-Jane, with a matte, scratch- and finger-print resistant gray back.

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But when did print suddenly byte back?

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But the question remains does the fine print on the back of a ticket warning fans of possible injury from debris and that they acknowledge the track is not responsible for claims release event organizers of any liability?

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