xiaorong yoqoo

## kill_child_processes.py
#!/usr/bin/env python

import multiprocessing
import time
import subprocess, os, signal, sys

def test(s):
    while True:
        print s
        time.sleep(1.5)
	#!/usr/bin/env python

	import multiprocessing
	import time
	import subprocess, os, signal, sys

	def test(s):
	while True:
	print s
	time.sleep(1.5)