#! /usr/bin/env python3.6

import subprocess, sys, atexit, os

COMMAND = '''
import sys
while True:
	txt = sys.stdin.read()
	if not txt:
		break
	sys.stdout.write(txt)
'''

def get_process():
	cmd = [sys.executable, '-c', COMMAND]
	proc = subprocess.Popen(cmd, stdout=subprocess.PIPE,
		stdin=subprocess.PIPE, bufsize=0)
	return proc

if __name__ == '__main__':
	lst = [get_process() for x in range(8)]
	atexit.lst = lst
	for proc in lst:
		proc.terminate()
	os.system("ps l|grep %s" % os.getpid())

sys.exit(0)