class_docstr: Plot the elasped time during live learning.
      
class_docstr_tok: ["Plot","the","elasped","time","during","live","learning","."]
docstr: Calculate elasped time from starting
          
code: def elapsed(self):
      """Calculate elasped time from starting"""
      return datetime.datetime.now() - self.start_time
  
imports: import time
label_desc: Use image node_id 3 for calling the LiveTimeSeries obj's underlying member method code with example usage: obj.elapsed() and returns: unknown