Notice that this version even makes use of recursiveness in itself, calling itself twice, once to sort the left-hand side of the list, and once again to sort the right-hand side of the list.
注意,此版本甚至可以在循环自身中使用递归,两次调用循环本身,一次用于对列表左手边的内容进行排序,另一次对列表右手边的内容进行排序。
In the of the HTML page, we then call the print_sequence function twice, using different arguments to test the function. Calling print.php.
在html页面的中,我们接着使用不同参数两次调用print_sequence函数,以测试该函数。
The third element is taken by calling the CDR on the list twice and calling car on the final list.
通过对列表两次调用cdr并对得到的列表调用car获取第三个元素。
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