图3显示了该调查的答案列表。
为了简单起见,首先创建一个名为build_answers的helper函数,当给定一个数据库句柄或调查ID后,该函数会输出该调查所有答案的XML(参见清单4)。
To make it easier on yourself, first create a helper function called build_answers that, when given a database handle and a poll ID, outputs the XML for all the answers to that poll (see Listing 4).
为了简单起见,首先创建一个名为build_answers的helper函数,当给定一个数据库句柄或调查ID后,该函数会输出该调查所有答案的XML(参见清单4)。
To make it easier on yourself, first create a helper function called build_answers that, when given a database handle and a poll ID, outputs the XML for all the answers to that poll (see Listing 4).
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