code: def __init__(
      self, label="", start_msg="", end_msg="", output_handle=None
  ):
      self.__label = label
      self.__start_msg = start_msg
      self.__end_msg = end_msg
      self.__handle = output_handle or sys.stdout
  
imports: import sys
  import time
label_desc: Use image node_id 1 to create a new TimerContext object  with example: obj = TimerContext(label, start_msg, end_msg, output_handle)