import matplotlib.pyplot as plt
import numpy as np
# create data
x = np.random.rand(40)
y = np.random.rand(40)
z = np.random.rand(40)
colors = np.random.rand(40)
# use the scatter function
plt.scatter(x, y, s=z*1000,c=colors)
plt.show()
输出如下:) o) _* x" V, ?* Y$ l7 U( ]4 O " z2 m$ N" O, \- {- l; M: x* W