这可以通过在python中使用多处理模块来实现，请找到以下代码
#!/usr/bin/python
from multiprocessing import Process,Queue
import random
import time
def printrand():
#Checks whether Queue is empty and runs
while q.empty():
rand = random.choice(range(1,100))
time.sleep(1)
print rand
if __name__ == "__main__":
#Queue is a data structure used to communicate between process
q = Queue()
#creating the process
p = Process(target=printrand)
#starting the process
p.start()
while True:
ip = raw_input("Write something: ")
#if user enters stop the while loop breaks
if ip=="stop":
#Populating the queue so that printramd can read and quit the loop
q.put(ip)
break
#Block the calling thread until the process whose join()
#method is called terminates or until the optional timeout occurs.
p.join()
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