multiindex in pivot table

import pandas as pd
import random

df = pd.read_csv('https://vk.com/s/v1/doc/oL105c1nIh_2md8ugsA48yZ12YLEGVJunJAaUXqDPM5bhjK8KLA')
df['target'] = [random.choice([0,1]) for _ in range(len(df))]

pivot = df.pivot_table(
    values = ['training_hours'],
    index = ['education_level', 'target'],
    columns = ['gender'],
    aggfunc = 'sum',
    margins = True,
    fill_value = 0,
)
display(pivot)