As you can see, a screen is called similarly to a regular function, in fact, screens, like functions, can return values.

正如你所看到的，对屏幕的调用和对一般函数的调用类似，事实上，和函数一样，屏幕也能够返回值。

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And a function similar to this could return successive values that depend (partly or wholly) on external events.

并且与此类似的一个函数可以返回取决于(部分地或完全地)外部事件的连续的值。

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Response is a function that handles return values that are not JSON.

response是一个用来处理非json返回值的函数。

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