python socket

#!/usr/bin/env python
# -*- coding: UTF-8 -*-

import socket


def main():
    host = "127.0.0.1"
    port = 5000

    s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
    s.bind((host, port))

    print("Server started")
    while True:
        data, addr = s.recvfrom(1024)
        print("Message from: " + str(addr))
        print("From connected user: " + str(data))
        data =  str(data).upper()
        print("Sending: " + str(data))
        s.sendto(bytes(data, "utf-8"), addr)
    s.close()


if __name__ == ‘__main__‘:
    print("socket server running...")
    main()

#!/usr/bin/env python
# -*- coding: UTF-8 -*-

import socket


def main():
    host = "127.0.0.1"
    port = 5001

    server = ("127.0.0.1", 5000)

    s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
    s.bind((host, port))

    message = input("-->")
    while message != "q":
        s.sendto(bytes(message, "utf-8"), server)
        data, addr = s.recvfrom(1024)
        print("Received from server: " + str(data))
        message = input("-->")
    s.close()


if __name__ == ‘__main__‘:
    main()