text: #!/usr/bin/env python
  import asyncio
  from aiogrpc import insecure_channel
  from data_pb2_grpc import SquareServiceStub
  from data_pb2 import Message
  
  url = "localhost:5000"
  
  async def query():
      async with insecure_channel(url) as conn:
          client = SquareServiceStub(channel=conn)
          async for response in client.rangeSquare(Message(message=12)):
              print(response.message)
  
  
  def main():
      loop = asyncio.get_event_loop()
      loop.run_until_complete(query())
  
  
  if __name__ == "__main__":
      main()
  