grouped_bar_chart_show_label.py

import pandas as pd
import matplotlib.pyplot as plt

# get input data
df = pd.read_csv('./gdp_capita.csv')

ax = df.plot.bar(x='Year', width=0.8)
ax.set_ylabel('GDP/capita (USD)')

for container in ax.containers:
    ax.bar_label(container)

plt.tight_layout()
plt.show()