Tùy chỉnh heatmap

# Create the crosstab DataFrame
pd_crosstab = pd.crosstab(df["Group"], df["____"])

# Plot a heatmap of the table with no color bar and using the BuGn palette
sns.heatmap(pd_crosstab, cbar=____, cmap="____", linewidths=____)

# Rotate tick marks for visibility
plt.yticks(rotation=0)
plt.xticks(rotation=90)

#Show the plot
plt.show()
plt.clf()