import starbars
import matplotlib.pyplot as plt

# Example data
categories = ['A', 'B', 'C']
values = [10, 20, 15]
annotations = [('A', 'B', 0.01), ('B', 'C', 0.05)]

plt.bar(categories, values)

# Annotate significance
starbars.draw_annotation(annotations)

plt.show()