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:6 g: E- V* W$ G2 A; Z7 }" E
4 A6 ]0 _! D. M e; J' f9 k- _