Add SPM_HOST to your Windows environment variables and set variable value to be your computer name.

把SPM_HOST加入你的窗户环境变数和固定的变数价值是你的计算机名字。

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Variables are always assigned by value, which means that when one variable is set equal to another variable, they are then independent of each other.

变量始终是由值指定的，这意味着设置一个变量等于另一个变量后，它们就相互独立。

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In most languages, we can use the tertiary operator? : to set the value of the new variable.

在大部分语言中，我们可以使用三元运算符？：来设置新变量的值。

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Just to remind you what it does, we bound x to some value, we set up an initial variable called ANS or answer, answer and then we run through a little loop.

记住你要做些什么，我们给x赋一个值,我们建立一个初始变量，命名为ANS或者。

麻省理工公开课 - 计算机科学及编程导论课程节选