python: plt.scatter

如何用python画散点图

import matplotlib.pyplot as plt
import numpy as np
xs = [i+1 for i in range(6)]
ys = [2*i+1 for i in range(6)]
yerrs = [np.sqrt(x) for x in ys]
plt.scatter(xs,ys,s=25,marker='p',c='red',cmap=2,norm=0.8,alpha=0.8)
plt.show()

数据点的样式