SERVER

import socket

s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.bind(("127.0.0.1", 12345))
s.listen(5)

while True:
    cs, addr = s.accept()
    print(f"Connection from {addr} has been established")
    val = "hi There"

    while val != "exit":
        val = input("server:")
        cs.send(bytes(val, "utf-8"))
        
        msg = cs.recv(1024)
        print("client:", msg.decode("utf-8"))

cs.close()

CLIENT

import socket

s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.connect(("127.0.0.1", 12345))

print("Sending connection request")
print("Connection established")

msg = ""

while msg != "exit":
    msg = s.recv(1024)
    print("server:", msg.decode("utf-8"))
    
    my = input("client:")
    s.send(bytes(my, "utf-8"))

s.close()


Result: Half Duplex Communication between Server and Client has been 
 Implemented successfully.