tcp_server.py

import socket
import sys

listening_add = "192.168.56.1"
listening_port = 8888
server = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
# bind socket obect to address and port and start to listen there
server.bind((listening_add, listening_port))
server.listen(5)
print("Listening on {}:{}".format(listening_add, listening_port))

# Define function that will be called later
# Function is responsible to handle connection
def handle_client(client_socket):
	# Dispiay, what data is received within new connectīon
	recv_mess = client_socket.recv(1024)
	print(recv_mess.decode())
	#  Send data back and close the connection
	client_socket.send(b'ACK!')
	client_socket.close ()

# Start endless loop with listening incoming data
# When such connection appears, send this connection socket obect to
# handle_client function
while True:
    sock, add = server.accept()
    print("Received connection from address " + str(add[0]) + " and port " + str(add[1]))
    handle_client(sock)