old_contents: try:
      import thread
  except :
      import _thread as thread
  
  import threading
  
  def bar(y):
      z = 100 + y
      print("Z=%d"%z)
  
  def foo(x):
      y = x + 1
      print("Y=%d"%y)
  
      t = threading.Thread(target=bar, args=(y,))
      t.start()
  
  
  id = thread.start_new_thread(foo, (1,))
  
  while True:
      pass
  
  
new_contents: try:
      import thread
  except :
      import _thread as thread
  
  import threading
  
  def bar(y):
      z = 100 + y
      print("Z=%d"%z)
  
  def foo(x):
      y = x + 1
      print("Y=%d"%y)
  
      global t
      t = threading.Thread(target=bar, args=(y,))
      t.start()
  
  
  id = thread.start_new_thread(foo, (1,))
  
  while True:
      pass
  
  
subject: Fix test data