theading_test.py

import threading

def worker():
    """thread worker function"""
    print 'Worker'
    return

threads = []
for i in range(5):
    t = threading.Thread(target=worker)
    threads.append(t)
    t.start()


# 输出:
# Worker
# -Worker
# Worker
# -Worker
# Worker

# '-'表示一个空格，结果每次不一样，可能还会有换行