User blog comment:RansomTime/An introduction to Pywikipediabot/@comment-3481504-20120722172656/@comment-26686429-20120722173206

You'd need to give it a list of pages to delete. Often copying a list into a text file is less work than pressing the delete button, especially if you're deleting a lot. It can also delete a category of pages, but there's no way it can guess which pages are unnecessary unfortunately.