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:9 M8 o! \- w! I2 B& H0 [ ! L7 ]- k6 p8 f" g& n' Y3 e4 b