check.py

import csv
import urllib2
import sys
import multiprocessing

with open("users.csv", 'r') as csvfile:
    rows = [row for row in csv.reader(csvfile)]
    csvfile.close()

def check(row):
    url = row[2]
    try:
        connection = urllib2.urlopen(url)
        code = connection.getcode()
        connection = urllib2.urlopen(url)
        code = connection.getcode()
        connection.close()
    except urllib2.HTTPError, e:
        code = e.getcode()
    row.append(code)
    print(row)
    sys.stdout.flush()


jobs = []
for row in rows:
    p = multiprocessing.Process(target=check, args=(row,))
    jobs.append(p)
    p.start()