Net0 solution

#!/usr/bin/env python

from socket import *
from struct import *

s = socket(AF_INET, SOCK_STREAM)
s.connect(('localhost', 2999))
dato=s.recv(1024)
print dato
num=dato[13:23]
print num
numint=int(num)
little = pack("<I",numint)
s.send(little)
print s.recv(1024)
s.close()