python threading多线程

import threading
import time

def print_time(threadName, delay, iterations):
    start = int(time.time())
    for i in range(0,iterations):
        time.sleep(delay)
        seconds_elapsed = str(int(time.time()) - start)
        print ('{} {}'.format(seconds_elapsed, threadName))

t = threading.Thread(target=print_time, args=('Fizz', 3, 3)).start()
t = threading.Thread(target=print_time, args=('Buzz', 5, 3)).start()
t = threading.Thread(target=print_time, args=('Counter', 1, 10)).start()

输出

1 Counter
2 Counter                                                  
3 Fizz                                                      
3 Counter                                                   
4 Counter                                                   
5 Buzz                                                      
5 Counter                                                   
6 Fizz                                                      
6 Counter                                                   
7 Counter                                                   
8 Counter                                                   
9 Fizz                                                      
9 Counter                                                   
10 Buzz                                                     
10 Counter                                                  
15 Buzz                                                     
[Program finished]