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

import socket
import json

HOST = ''
PORT = 9090

with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as s:
    s.bind((HOST, PORT))
    s.listen(4)

    client, addr = s.accept()

    with client:
        print('connected:', addr)
        while True:
            try:
                data = client.recv(16384)
                if not data: continue
            except ConnectionResetError:
                print('connection lost')
                break

            # декодированные данные
            decoded_array = json.loads(data.decode('utf-8'))
            print(decoded_array)


client.close()

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

import socket
import json     # для передачи кортежей
import time

import random

HOST = 'localhost'    # хост
PORT = 9090          # порт, прослушиваемый севером

with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as s:

    s.connect((HOST, PORT))

    while True:

        array = [random.randint(0, 10) for _ in range(4)]
        encoded_array = json.dumps(array).encode('utf-8')
        s.send(encoded_array)

        time.sleep(0.01)