new_contents: import webbrowser
  
  import networkx as nx
  import pydot
  from PIL import Image
  
  ##
  nxdg = nx.DiGraph()
  
  nxdg.add_node('N1')
  nxdg.add_node('N2')
  nxdg.add_node('A1')
  nxdg.add_node('A2')
  nxdg.add_node('S1')
  nxdg.add_node('M1')
  nxdg.add_node('D1')
  ##
  nxdg.add_edge('N1', 'A1')
  nxdg.add_edge('N1', 'A2')
  nxdg.add_edge('N2', 'A2')
  nxdg.add_edge('A1', 'S1')
  nxdg.add_edge('N1', 'S1')
  nxdg.add_edge('A1', 'M1')
  nxdg.add_edge('A2', 'M1')
  nxdg.add_edge('S1', 'D1')
  nxdg.add_edge('M1', 'D1')
  
  nx.drawing.nx_pydot.write_dot(nxdg, "C:\\tmp\\nx.dot")
  
  g = pydot.graph_from_dot_file("C:\\tmp\\nx.dot")
  
  imageFileName = "C:\\tmp\\nx.svg"
  
  g.write_svg(imageFileName)
  
  webbrowser.open(imageFileName)
  
subject: Create nx_pydot_svg.py