server

import socket

# Create a socket
sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)

# Ensure that you can restart your server quickly when it terminates
sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)

# Set the client socket's TCP "well-known port" number
well_known_port = 8881
sock.bind(('', well_known_port))

# Set the number of clients waiting for connection that can be queued
sock.listen(1)

# loop waiting for connections (terminate with Ctrl-C)
try:
    while 1:
        newSocket, address = sock.accept()
        print("Connected from", address)
        # loop serving the new client
        with open('received_data.txt', 'w') as f:
            while 1:
                receivedData = newSocket.recv(1024)
                if not receivedData: break
                # Print the data just received
                print(receivedData)
                # Save the data to a file
                f.write(receivedData.decode('utf-8'))
        newSocket.close()
        print("Disconnected from", address)
finally:
    sock.close()