code: def save_example_fit(fit):
      
      json_directory = os.path.join('examples', 'json')
      plot_directory = os.path.join('examples', 'plots')
      if not os.path.isdir(json_directory): os.makedirs(json_directory)
      if not os.path.isdir(plot_directory): os.makedirs(plot_directory)
  
      fit.to_json(os.path.join(json_directory, fit.name + '.json'), meta=fit.metadata)
  
      plot = Plot(fit)
      plot.save(os.path.join(plot_directory, fit.name + '.svg'))
      plot.close()
docs: Save fit result to a json file and a plot to an svg file.