new_contents: import asyncio
  from aiohttp.web import Application, Response
  
  
  @asyncio.coroutine
  def simple(request):
      return Response(text='Text')
  
  
  @asyncio.coroutine
  def init(loop):
      app = Application(loop=loop)
      app.router.add_route('GET', '/', simple)
  
      handler = app.make_handler()
      srv = yield from loop.create_server(handler, '127.0.0.1', 8080)
      print("Server started at http://127.0.0.1:8080")
      return srv, handler
  
  loop = asyncio.get_event_loop()
  srv, handler = loop.run_until_complete(init(loop))
  try:
      loop.run_forever()
  except KeyboardInterrupt:
      loop.run_until_complete(handler.finish_connections())
      srv.close()
      loop.run_until_complete(srv.wait_closed())
  
subject: Add aiohttp server example