code: def get(self, request):
          
          # No virtual hosts specified; default behavior
          if not self.hosts:
              return self._get(request.path, request.method, "")
          # virtual hosts specified; try to match route to the host header
          try:
              return self._get(
                  request.path, request.method, request.headers.get("Host", "")
              )
          # try default hosts
          except NotFound:
              return self._get(request.path, request.method, "")
docs: Get a request handler based on the URL of the request, or raises an
          error
  
          :param request: Request object
          :return: handler, arguments, keyword arguments