绘制饼状图

#绘制饼状图
import matplotlib.pyplot as plt
plt.rcParams['font.sans-serif']=['STZHongsong']
labels=['People','Hongs','Dogs','Logs']
sizes=[15,30,45,10]
explode=(0,0.2,0,0)
plt.pie(sizes,explode,labels,autopct='%1.1f%%',shadow=(True),startangle=90)
plt.axis('equal')
plt.savefig('../R&Q_Pic/test4',dpi=600)
plt.show()