Matplotlib Stacked Bar Plot

import numpy as np
import matplotlib.pyplot as plt

# Data
categories = ['A', 'B', 'C', 'D', 'E']
values1 = [10, 15, 7, 12, 9]
values2 = [5, 8, 3, 6, 4]

# Create stacked bar plot
plt.bar(categories, values1, label='Value 1')
plt.bar(categories, values2, bottom=values1, label='Value 2')
plt.xlabel('Categories')
plt.ylabel('Values')
plt.title('Stacked Bar Plot')
plt.legend()
plt.show()