python 原生线程 threading库

import os
from threading import Thread,Lock
from time import *


lock = Lock()
data = 0
startTime = time()

def threadFunc(arg):
    global data
    global startTime
    for i in range(1000):
        lock.acquire()
        if(data==0):
            startTime = time_ns()
        if(data==4000):
            endTime = time_ns()
            passtime = (endTime - startTime)/(1000*1000)
            print("Thread Stop data = {},passTime={}ms".format(data,passtime))
            lock.release()
            return
        data +=1
        t=time()
        print("data = {}, time = {},thread = {}" .format(data,t,arg) )
        lock.release()

 

 for i in range(10):
     t = Thread(target=threadFunc,args=(i,))
     t.start()
     t.join()