python画散点图简单示例

#-*- coding:utf-8 -*-import matplotlib.pyplot as pltx=range(0,5)y1=[3,6,6,8,9]y2=[2,5,5,7,8]y3=[6,6,8,8,1]p1=plt.scatter(x,y1,marker='x',color='g',label='1',s=30)p2=plt.scatter(x,y2,marker='+',color='r',label='2',s=30)p3=plt.scatter(x,y3,marker='*',color='c',label='3',s=30)plt.title('Scatter')plt.legend(loc = 'upper right')plt.xticks(x)plt.show()

结果：