If yield occurs, return must only occur without any accompanying return value.

如果yield发生，return一定只发生在没有伴随任何返回值的情况中。

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Arg1 is the return value from the function being probed for return probe.

arg1是要探测的函数的返回值，用于退出探测。

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The return value of the function is specified with a return statement.

函数返回值使用return语句指定。

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The only modification required is the quote method: Change the value return null; to return 250.50;.

只需修改quote方法：将值returnnull；更改为return 250.50；。

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The only modification required is the quote method: Change the value return null; to return 271.60;.

只需修改quote方法：将值returnnull;

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The only modification required is the quote method: Change the value return null; to return 271.60;.

只需修改quote方法：将值returnnull;

youdao