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import seaborn as sns
from matplotlib import pyplot as plt
import numpy as np
import os
import pandas as pd
import torch
import seaborn as sns
import torch.nn.functional as F


def plot_distribution(args, id_scores, ood_scores, out_dataset, score=None):
    sns.set(style="white", palette="muted")
    palette = ['#A8BAE3', '#55AB83']

    data = {
        "ID": [-1 * id_score for id_score in id_scores],
        "OOD": [-1 * ood_score for ood_score in ood_scores]
    }
    sns.displot(data, label="id", kind="kde", palette=palette, fill=True, alpha=0.8)
    if score is not None:
        plt.savefig(os.path.join(args.output_dir,f"{out_dataset}_{args.T}_{score}.png"), bbox_inches='tight')
    else:
        plt.savefig(os.path.join(args.output_dir,f"{out_dataset}_{args.T}.png"), bbox_inches='tight')


def show_values_on_bars(axs):
    def _show_on_single_plot(ax):        
        for p in ax.patches:
            _x = p.get_x() + p.get_width() / 2
            _y = p.get_y() + p.get_height()
            value = '{:.2f}'.format(p.get_height())
            ax.text(_x, _y, value, ha="center", fontsize=9) 
    if isinstance(axs, np.ndarray):
        for idx, ax in np.ndenumerate(axs):
            _show_on_single_plot(ax)
    else:
        _show_on_single_plot(axs)