Send data to client in Python

###############################################################################
#  Server
###############################################################################
import asyncio
import time

FIRST_PROCESS_PORT = 10000
SECOND_PROCESS_PORT= 30000
THIRD_PROCESS_PORT = 50000



class MyLogger(object):
    def info(self, s):
        print(s)


logger = MyLogger()

class EchoServer(asyncio.Protocol):
  
    def __init__(self):
        self.client_info = None
        
    # Begin asyncio.Protocol overrides
    def connection_made(self, transport):
        self.transport = transport
        self.client_info = self.transport.get_extra_info("peername")
        logger.info(f"connection_made from: {self.client_info}")

    def connection_lost(self, reason):
        logger.info("connection_lost: %s | %s" % (self.client_info, "Client Disconnected"))
    
    def data_received(self, data):
        print("Received: %s" % str(data))
        self.transport.write(data)
        
class EchoServer1(asyncio.Protocol):
  
    def __init__(self):
        self.client_info = None
        
    # Begin asyncio.Protocol overrides
    def connection_made(self, transport):
        self.transport = transport
        self.client_info = self.transport.get_extra_info("peername")
        logger.info(f"connection_made from: {self.client_info}")
        self.transport.write(b'\x01')
       

    def connection_lost(self, reason):
        logger.info("connection_lost: %s | %s" % (self.client_info, "Client Disconnected"))
  
    def data_write(self):
        self.transport.write('b\x01')
     

async def main():
    loop = asyncio.get_running_loop()

    server1 = await loop.create_server(
        EchoServer1, "127.0.0.1", FIRST_PROCESS_PORT
    )
    server2 = await loop.create_server(
        EchoServer, "127.0.0.1", SECOND_PROCESS_PORT
    )
    server3 = await loop.create_server(
        EchoServer, "127.0.0.1", THIRD_PROCESS_PORT
    )
    

    # serve forever
    async with server1, server2,server3:
        while True:
            await asyncio.sleep(1)


if __name__ == "__main__":
    asyncio.run(main())