Write a recursive function, displayfiles, that expects a pathname as an argument. the path name can be either the name of a file or the name of a directory. if the pathname refers to a file, its filepath is displayed, followed by its contents, like so: file name: file_path lorem ipsum dolor sit amet, consectetur adipiscing otherwise, if the pathname refers to a directory, the function is applied to each name in the directory, like so: directory name: directory_path file name: file_path 1 lorem ipsum dolor sit filename: filepath lorem ipsum dolor sit