The strings "howd" and "y ho" become "howdy ho."

字符串“howd ”和“y ho ”变成“howdy ho ”。

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When passing the following list as a parameter, '(" ho wd" "y" "h" "o"), the following is a walk-through of the output.

当传递列表' (“ho ” “wd ” “y ” “h ” “o ”)作为参数时，下面是递归输出。

youdao

When passing the following list as a parameter, '(" ho wd" "y" "h" "o"), the following is a walk-through of the output.

当传递列表' (“ho ” “wd ” “y ” “h ” “o ”)作为参数时，下面是递归输出。

youdao