code: def test0(monitor):
      from numpy import array
  
      x1 = array([1, 2, 3])
      x2 = array([3, 4, 5])
      x3 = array([5, 6, 7])
      x4 = array([7, 8, 9])
  
      monitor(x1, -1)
      monitor(x2, -3)
      monitor(x3, -5)
      monitor(x4, -7)
  
      print("...printing...")
      print("%s %s" % (monitor.x[0], monitor.y[0]))
      print("%s %s" % (monitor.x[1], monitor.y[1]))
      print("%s %s" % (monitor.x[2], monitor.y[2]))
      print("%s %s" % (monitor.x[3], monitor.y[3]))
      return
  
imports: from mystic.munge import write_support_file, write_converge_file, write_raw_file
label_desc: Use image node_id 1 for calling a global function with example usage: test0(monitor) without return types