囚犯关灯

lamp = 'off'
stop = 0
class A:
	def __init__(self):
		self.haveopen_times = 0
	def do(self):
		global lamp,stop
		if lamp == 'off':
			self.haveopen_times += 1
			if self.haveopen_times == 99:
				print 'all prisoner have opened lamp'
				stop = 1
			print 'open lamp'
			lamp = 'on'
class B:
	def __init__(self):
		self.haveopen = 0
	def do(self):
		global lamp
		if self.haveopen ==0 and  lamp == 'on':
			self.haveopen = 1
			lamp = 'off'
			print 'off lamp'
		else :
			print 'can not off lamp'
prisoner = [A()] + [B() for i in range(99)]
import random
i = 0
while not stop:
	i += 1
	print i,
	random.choice(prisoner).do()