多线程threading

#-*-coding:utf-8-*-
import threading #创建多线程(thread二次封装)
from time import ctime,sleep
import time
def listen(name):
    print (‘begin listening to {name} {time}‘.format(name=‘shabi‘,time=ctime()))#类似html的变量，ctime 时间转换成字符串
    time.sleep(3)
    print (‘over {time}‘.format(name=‘shabi‘,time=ctime()))

def func(name):
    print (‘{name} running.{time}‘.format(name=name,time=ctime()))
    time.sleep(5)
    print (‘{name} running over.{time}‘.format(name=name,time=ctime()))

t1=threading.Thread(target=listen,args=(‘egon‘,)) #实例化，target执行线程名即函数，args传的参数，要以元祖的形式
t2=threading.Thread(target=func,args=(‘alex‘,))
print (‘game over {time}‘.format(time=ctime()))#主线程必须放在分支线程的start执行前
# t1.start()
# t2.start()
t1.join（）#主线程必须等待线程t1执行完
threads=[] #通过列表添加顺序for循环，控制执行顺序，但不能决定谁先执行完
threads.append(t2)
threads.append(t1)
for i in threads:
    i.start()#执行命令内部函数