code: def plot_gaussian(mean=0., variance=1.,
                    ax=None,
                    mean_line=False,
                    xlim=None,
                    ylim=None,
                    xlabel=None,
                    ylabel=None,
                    label=None):
      
  
      warnings.warn('This function is deprecated. It is poorly named. '\
                    'A Gaussian can be plotted as a PDF or CDF. This '\
                    'plots a PDF. Use plot_gaussian_pdf() instead,',
                    DeprecationWarning)
      return plot_gaussian_pdf(mean, variance, ax, mean_line, xlim, ylim, xlabel,
                               ylabel, label)
docs: DEPRECATED. Use plot_gaussian_pdf() instead. This is poorly named, as
      there are multiple ways to plot a Gaussian.