labeled_pie_chart.py

import codecademylib
from matplotlib import pyplot as plt

unit_topics = ['Limits', 'Derivatives', 'Integrals', 'Diff Eq', 'Applications']
num_hardest_reported = [1, 3, 10, 15, 1]

#Make your plot here
plt.figure(figsize=(10,8))
plt.pie(num_hardest_reported,autopct='%1d%%',labels=unit_topics)
plt.axis('equal')
#plt.legend(unit_topics)
plt.title('Hardest Topics')
plt.show()
plt.savefig('my_pie_chart.png')