code: def elapsed_str(self):
      return strdelta(self.wall() * 1000.0), strdelta(
          self.proc() * 1000.0
      )
  
imports: import logging
  import time
  from datetime import datetime, timedelta
label_desc: Use image node_id 4 for calling the Timer obj's underlying member method code with example usage: obj.elapsed_str() and returns: strdelta,  strdelta