plt.scatter(x, y, c="white", s=100)# 绘制散射点# 画上坐标forxyinzip(x, y): plt.annotate("%s %s"% xy, xy=xy, xytext=(-10,4), textcoords="offset points", c="red")foriinrange(len(x)):# r'$\overline{a}$' 字母a,加上上划线plt.text(x[i]-0.5, y[i]+0.5,r'$\over...