Code
python
import socket
# Server
server = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
server.bind(("localhost", 8080))
server.listen(5)
conn, addr = server.accept()
with conn:
while True:
data = conn.recv(1024)
if not data:
break
conn.sendall(data)
# Client
client = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
client.connect(("localhost", 8080))
client.sendall(b"hello")
print(client.recv(1024))