text: # multiprocessing.py
  # -*- coding: utf-8 -*-
  
  import os
  
  print('Process (%s) start...' % os.getpid())
  pid = os.CreatProcess ()
  if pid == 0:
      print("I'am child process (%s) and my parent is %s." % (os.getpid(), os.getpid()))
  else:
      print("I (%s) just creat a child process (%s)." % (os.getpid(), pid))
  # 此语句只能在基于UNIX/LINUX系统运行。
  