text: from cfnprovider import CustomResourceProvider, get_logger
  import os
  logger = get_logger(__name__)
  env = os.environ
  
  class Value(CustomResourceProvider):
    def init(self):
      self._value = self.get('Value')
  
      self.response.physical_resource_id = self.id
      self.response.set_data('Value', self._value)
  
    @property
    def id(self):
      return "{}".format(self._value)
  
    def create(self, policies):
      pass
  
    def update(self, policies):
      pass
  
    def delete(self, policies):
      pass
  
  def handler(event, context):
    c = Value(event, context)
    c.handle()
  