code: def reader3():
      print(
          "---------------------------reader3---------------------------"
      )
  
      watcher = tw.Watcher(filename=r"c:\temp\test.log", port=None)
      stream1 = watcher.open_stream("metric1")
      stream2 = watcher.open_stream("metric2")
  
      vis1 = tw.Visualizer(stream1, vis_type="line")
      vis2 = tw.Visualizer(stream2, vis_type="line", host=vis1)
  
      vis1.show()
  
      tw.plt_loop()
  
imports: import tensorwatch
label_desc: Use image node_id 4 for calling a global function with example usage: reader3() without return types