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:% x, H. W" ], W8 y& d7 x6 o% U 1 r4 M6 q0 J5 T/ @. U