python数据可视化——饼状图

先看效果：

Caption

代码：

# -*- coding: utf-8 -*-
import matplotlib.pyplot as plt

labels ='A','B','C','D'
fraces = [15, 30, 45, 10]
plt.pie(x=fraces, labels=labels,autopct='%0f%%', shadow=True)
plt.savefig("test.png")
plt.show()

参考：https://blog.youkuaiyun.com/qq_31390999/article/details/82828898