#encoding: utf-8 import threading import random import time gMoney = 1000 gLock = threading.Lock() gTotalTimes = 10 gTimes = 0 class Producer(threading.Thread):     def run(self):         global gMoney         global gTimes         while True:             money = random.randint(100,1000)             gLock.acquire()             if gTimes > 10:                 gLock.release()                 break             gMoney += money             print('%s生产了%d元钱，剩余%d元钱'%(threading.current_thread(),money,gMoney))             gTimes += 1             gLock.release()             time.sleep(0.5) class Consumer(threading.Thread):     def run(self):         global gMoney         while True:             money = random.randint(100,1000)             gLock.acquire()             if gMoney >= money:                 gMoney -=money                 print('%s消费了%d元钱，剩余%d元钱'%(threading.current_thread(),money,gMoney))             else:                 if gTimes >= gTotalTimes:                     gLock.release()                     break                 print('不足')             gLock.release()             time.sleep(0.5) def main():     for x in range(3):         t = Consumer(name='消费者线程%d'%x)         t.start()     for x in range(5):         t = Producer(name='生产者线程%d'%x)         t.start() if __name__ == '__main__':     main()