Socket Server-Client Programming in Python

Client Side... 

#================================================================

import socket

#===========================================================================================

DISCONNECTED_MSG = "!close"

SIZE = 1034

IP = socket.gethostbyname(socket.gethostname())  # getting IP address it is str type

PORT = 9999

FORMAT = 'utf-8'

ADDR = (IP, PORT)  # tuple type

#===========================================================================================

# creating socket and binding and listening

def fn_clientConnect(nIP=IP, nPort=PORT):

    # print("main display" +IP)

    global client

    print("[Starting] Client is starting")

    client = socket.socket(socket.AF_INET, socket.SOCK_STREAM)

    client.connect(ADDR)

    print(f"[Connected Client ....{nIP}:{nPort}]")

    connected = True

    while connected:

        msg = input('> ')

        client.send(msg.encode(FORMAT))

        if msg == DISCONNECTED_MSG:

            connected = False

        else:

            msg = client.recv(SIZE).decode(FORMAT)

            msg = f"Server Msg: {msg}"

            print(msg)

#===========================================================================================

def main(nIP=IP, nPort=PORT):

    fn_clientConnect(nIP, nPort)

#===========================================================================================

if __name__ == "__main__":

    main(IP, PORT)

#===========================================================================================