code: def plot_or_print(example_farm, example_cluster):
      r
  
      # plot or print power output
      if plt:
          example_cluster.power_output.plot(legend=True, label='example cluster')
          example_farm.power_output.plot(legend=True, label='example farm')
          plt.show()
      else:
          print(example_cluster.power_output)
          print(example_farm.power_output)
docs: r"""
      Plots or prints power output and power (coefficient) curves.
  
      Parameters
      ----------
      example_farm : WindFarm
          WindFarm object.
      example_farm_2 : WindFarm
          WindFarm object constant wind farm efficiency and coordinates.