一.语法和参数简介 plt.pie(x2,labels=labels, autopct = '%0.2f%%', shadow= False, startangle =0,labeldistance=labeldistance,pctdistance=pctdistance, radius=1.1,counterclock=False,wedgeprops=dict(width=0.4,edgecolor='w')) #plt.pie(x1,shadow= False, startangle =