python 饼状图

import matplotlib.pyplot as plt
labels={'1','2','3','4'}#标题
sizes=[10,20,4,4]#占比
#colors=['yellowgreen','green','red','orange']#规定颜色
explode=[0,0,0,0.1]#占比突出
plt.pie(sizes,explode=explode,labels=labels,autopct='%1.1f%%')#,colors=colors)
plt.axis('equal')#显示比例
plt.show()

image.png