Listing 3 shows a function that prints out the number of parameters and then prints the parameters according to these four alternatives.
清单3给出了一个函数,用于打印参数的数量然后根据这四种可选方案打印参数。
The last line, which prints the number of matched items in the QueryPath object, will print 4.
最后一行打印QueryPath对象中匹配项的数量,最终打印的结果为4。
Prints the number of container data.
打印容器数据的大小。
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