Multithread to read one file

import threading
import Queue

#Number of threads
n_thread = 5
#Create queue
queue = Queue.Queue()

class ThreadClass(threading.Thread):
    def __init__(self, queue):
        threading.Thread.__init__(self)
    #Assign thread working with queue
        self.queue = queue

    def run(self):
        while True:
        #Get from queue job
            host = self.queue.get()
            print self.getName() + ":" + host
        #signals to queue job is done
            self.queue.task_done()

#Create number process
for i in range(n_thread):
    t = ThreadClass(queue)
    t.setDaemon(True)
    #Start thread
    t.start()

#Read file line by line
hostfile = open("hosts.txt","r")
for line in hostfile:
    #Put line to queue
    queue.put(line)
#wait on the queue until everything has been processed 
queue.join()