code: def plot(self, **plot_kwargs: Any) -> None:
          
          fig = plt.figure()
          plt.plot(self._rabi_angles, self._excited_state_probs, 'ro-',
                   figure=fig, **plot_kwargs)
          plt.xlabel(r"Rabi Angle (Radian)", figure=fig)
          plt.ylabel('Excited State Probability', figure=fig)
          fig.show()
docs: Plots excited state probability vs the Rabi angle (angle of rotation
          around the x-axis).
  
          Args:
              **plot_kwargs: Arguments to be passed to matplotlib.pyplot.plot.