Answers for "tcp client and server using python"

python tcp server

####### TCP Server #######

from socket import AF_INET,SOCK_STREAM,socket

# AF_INET => TCP
# SOCK_STREAM => IPv4

sobj = socket(AF_INET,SOCK_STREAM)
sobj.bind(('127.0.0.1',12345))
sobj.listen(1)

client , addr = sobj.accept()
print("the ip is connected to server ",addr)

while(True):
    
    message = input()
    if(message == "exit"):
        client.close()
        break
    else:
        client.send(message.encode())

        
####### TCP Client #######

from socket import AF_INET,SOCK_STREAM,socket

sobj = socket(AF_INET,SOCK_STREAM)
sobj.connect(('127.0.0.1',12345))
while True:
    message = sobj.recv(2048)
    if(message == "exit"):
        sobj.close()
        break
    elif(message.decode() == ''):
        pass
    else:
        print(message.decode())

tcp python

#!/usr/bin/env python3

import socket

HOST = '127.0.0.1'  # The server's hostname or IP address
PORT = 65432        # The port used by the server

with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as s:
    s.connect((HOST, PORT))
    s.sendall(b'Hello, world')
    data = s.recv(1024)

print('Received', repr(data))