以多线程的方式向标准输出打印日志 

 

#!/usr/bin/pythonimport timeimport threadingclass PrintThread(threading.Thread):    def __init__(self,threadid,count,mutex):        threading.Thread.__init__(self)        self.threadid=threadid        self.count=count        self.mutex=mutex    def run(self):        with self.mutex:            for item in range(self.count):                time.sleep(0.05)                print 'threadid is {0} this is the count {1}'.format(self.threadid,item)class PrintThread2(threading.Thread):    def __init__(self,threadid,count,mutex):        threading.Thread.__init__(self)        self.threadid=threadid        self.count=count        self.mutex=mutex    def run(self):        for item in range(self.count):            with self.mutex:                time.sleep(0.1)                print 'thread id is {0} this is the count {1}'.format(self.threadid,item)if __name__=="__main__":    threads=[]    stdoutLock=threading.Lock()    for item in range(5):        pt=PrintThread2(item,100,stdoutLock)        threads.append(pt)        pt.start()    for item in threads:        item.join()    print 'this end ...'