simple async client accepts the connection

async_simple_client.py

import asyncio

async def tcp_echo_client(message):
    reader, writer = await asyncio.open_connection(
        '127.0.0.1', 8888)

    msg = ""
    while msg != 'quit':
        msg = input("Please enter message to server: ")
        print(f'Send: {msg!r}')
        writer.write(msg.encode())

        data = await reader.read(100)
        print(f'Received: {data.decode()!r}')

    print('Close the connection')
    writer.close()
    await writer.wait_closed()

asyncio.run(tcp_echo_client('Hello World!'))