text: import logging; logging.basicConfig(level=logging.INFO)
  
  import asyncio, os, json, time
  from datetime import datetime
  
  from aiohttp import web
  
  def index(request):
      return web.Response(body=b'<h1>Awesome</h1>',content_type='text/html')
  
  @asyncio.coroutine
  def init(loop):
      app = web.Application(loop=loop)
      app.router.add_route('GET','/',index)
      srv = yield from loop.create_server(app.make_handler(),'127.0.0.1',9000)
      logging.info('server started at http://127.0.0.1:9000')
      return srv
  
  loop = asyncio.get_event_loop()
  loop.run_until_complete(init(loop))
  loop.run_forever()