import time
from threading import Thread

threads = 3

class Bloedsinn(Thread):
    def __init__(self, number):
        super(Bloedsinn, self).__init__()
        self.number = number
    def run(self):
        while True:
            print self.number
            time.sleep(2)

for i in xrange(threads):
    thread = Bloedsinn(i)
    thread.start()