code: def show(self):
          
  
          from matplotlib import pyplot as plt
  
          if self.already_run:
              
              for ref in self.volts.keys():
  
                  plt.plot(self.t, self.volts[ref], label=ref)
                  plt.title("Simulation voltage vs time")
                  plt.legend()
                  plt.xlabel("Time [ms]")
                  plt.ylabel("Voltage [mV]")
  
          else:
              pynml.print_comment("First you have to 'go()' the simulation.", True)
          plt.show()
docs: Plot the result of the simulation once it's been intialized