Interface de graphe à barre horizontale OO

import pandas as pd
import matplotlib.pyplot as plt

top20_deathtoll = pd.read_csv('top20_deathtoll.csv')
fig, ax = plt.subplots(figsize = 4.5,6))#mobile friendly proportion
ax.barh(df['x'],
        df['y'])
plt.show()
rudythealchemist