code: def static_url(path, absolute=False):
      
  
      if os.sep != '/':
          path = '/'.join(path.split(os.sep))
  
      return flask.url_for('static', filename=path, _external=absolute)
docs: Shorthand for returning a URL for the requested static file.
  
      Arguments:
  
      path -- the path to the file (relative to the static files directory)
      absolute -- whether the link should be absolute or relative