Next, add these function definitions at line 209.

接下来，在第209行中添加这些函数定义。

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Line 21 is where you add the next section of code.

第21行是添加下一部分代码的地方。

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To add a line for the next record, press Enter or right-click on the last record and select Add Record.

为下一个记录添加一行，按下回车键，或者右键单击最后一个记录并且选择 Add Record。

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According to 9to5Mac, Cupertino is preparing to add a new SKU to its fourth-generation tablet line up, slotting next to the existing 16GB, 32GB and 64GB configurations as a premium model.

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