code: def drafts(files, stack):
      "Filter out any files marked 'draft'"
      for path, post in list(files.items()):
          if post.get('draft'):
              del files[pathf drafts(files, stack):
      "Filter out any files marked 'draft'"
      for path, post in list(files.items()):
          if post.get('draft'):
              del files[path]
docs: Filter out any files marked 'draft