数据可视化之matplotlib实战：plt.pie() 绘制非分裂式饼图

import matplotlib as mpl import matplotlib.pyplot as plt # 防止乱码 mpl.rcParams["font.sans-serif"] = ["SimHei"] mpl.rcParams["axes.unicode_minus"] = False labels = "A难度水平","B难度水平","C难度水平","D难度水平" students = [0.35,0.15,0.20,0.30] colors = ["#377eb8","#4daf4a","#984ea3","#ff7f00"] # 绘制图形 plt.pie(students, labels = labels, autopct="%3.1f%%", startangle=45, pctdistance=0.7, labeldistance=1.2, colors=colors) plt.title("选择不同难度测试试卷的学生占比") plt.show()