client.py

import socket
import sys

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

# Connect the socket to the port where the server is listening
server_address = ('localhost', 5050)
print('connecting to %s port %s' %server_address)
sock.connect(server_address)
try:
    # Send data
    message = 'PUT;foo;1;INT'
    print('sending "%s"' % message)
    sock.sendall(message.encode())

    # Look for the response
    amount_received = 0
    amount_expected = len(message)
    # print response
    data = sock.recv(16)
    amount_received += len(data)
    print('received "%s"' % data)

finally:
    #close the connection
    print('closing socket')
    sock.close()