text: """
  Demonstrates drawing a polygon on a canvas.
  """
  #Imports the tkinter module
  import tkinter
  
  def main() :
      #Creates the window
      test_window = tkinter.Tk()
      #Sets the window's title
      test_window.wm_title("Polygon Example 1")
  
      #Creates the Canvas.
      canvas = tkinter.Canvas(test_window,
                              width=160,
                              height=160,
                              background="white")
  
      #Draws a polygon (triangle).
      canvas.create_polygon(40, 120,
                            120, 120,
                            80, 40,
                            40, 120,
                            fill="blue")
          
      #Packs the canvas onto the window
      canvas.pack()
          
      #Enters the main loop, displaying the window
      #and waiting for events
      tkinter.mainloop()
  
  #Calls the main function
  main()
  