new_contents: #!/usr/bin/env python
  # encoding: utf-8
  
  from sjkscan import *
  
  
  def main():
      """TODO: docstring"""
      output_dir = 'output'
      scan(output_dir)
  
      for f in os.scandir(output_dir):
          if not f.is_file():
              next
          remove_if_blank(os.path.join(output_dir, f.name))
  
  
      rotate_all_images_in_dir(output_dir, 180)
  
  
  if __name__ == '__main__':
      main()
  
subject: Add sjkscan script