python学习：多线程模拟红绿灯 

 1 import  threading,time
 2 
 3 
 4 event=threading.Event()
 5 
 6 
 7 def lighter():
 8      count=0
 9 
10      while True:
11           if count <5:
12               event.set()
13               print('green ....')
14           elif count>=5 and count<10:
15               print('red ...')
16               event.clear()
17           else:
18               count=0
19           count+=1
20           time.sleep(1)
21 
22 def car(name):
23 
24      while  True:
25           if event.is_set():
26               print('%s in running...'%name)
27               time.sleep(1)
28           else:
29               print('%s is wating...'%name)
30               event.wait()
31 
32 
33 
34 
35 
36 
37 l1=threading.Thread(target=lighter,)
38 l1.start()
39 
40 for i in range(10):
41     t=threading.Thread(target=car,args=('Tesla '+str(i),))
42     t.start()

 

posted @ 2017-03-03 16:34  alston-lee  阅读(989)  评论(0)    收藏  举报