Hands-On Data Structures and Algorithms with Python - Second Edition

Pie chart

The pie chart interprets and visually represents the data as if to fit into a circle. The individual data points are expressed as sectors of a circle that add up to 360 degrees. This chart is good for displaying categorical data and summaries too:

    import matplotlib.pyplot as plt     data = [500, 200, 250]     labels = ["Agriculture", "Aide", "News"]     plt.pie(data, labels=labels,autopct='%1.1f%%')     plt.show() 

The sectors in the graph are labeled with the strings in the labels array: