Figure 7 and Figure 9 show two options for setting a variable scope.

图7及图9显示了设置变量范围的两个选项。

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Set the variable scope to limit variables to live only within a "session".

还要设置变量作用域，以限制变量只在某个“会话”中活动。

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You can declare and initialize a test variable, set its scope, and change its value.

您可以声明并初始化一个测试变量，设置它的范围，并更改它的值。

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You can declare and initialize a test variable, set its scope, and change its value.

您可以声明并初始化一个测试变量，设置它的范围，并更改它的值。

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