In the main program loop, there is no need for the code that ignores the header lines and the first two lines of input.

在主程序循环中，代码无需忽略标题行和输入的前两行。

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Select the total Price input field, press the Ctrl key, and click the Subtotal column header label.

选择to tal Price输入字段，按下ctrl键，然后单击subtotal列标题标签。

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Noheader no no yes Specifies that there is no partition header at the beginning of the input data file.

noheader no no yes指定输入数据文件的开头不存在分区头。

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