import threading
import queue

class Main:
    def __init__(self):
        self.q()

    def main(self):
        while True:
            i = self.q.get()
            print(i)
            self.q.task_done()

    def t(self):
        for i in range(10):
            t = threading.Thread(target=self.main)
            t.daemon = True
            t.start()

    def q(self):
        self.q = queue.Queue()
        self.t()
        for i in range(100):
            self.q.put(i)
        self.q.join()

if __name__ == '__main__':
    Main()