import numpy as np
import matplotlib.pyplot as plt
from matplotlib.animation import FuncAnimation

N = 100          # 散点数量
fig = plt.figure()
ax = plt.axes(xlim=(0,100), ylim=(10,100))
x = np.random.randint(10,90,N)
y = np.random.randint(20,90,N)
scatters = plt.scatter(x, y, marker='*', s=120)

def init():
    return scatters,

def update(i):
    # 对散点符号的颜色、大小、边线颜色进行调整和变化
    scatters.set_facecolor(np.random.random((N,3)))
    scatters.set_sizes(np.random.randint(50,200,N))
    scatters.set_edgecolors(np.random.random((N,3)))
    return scatters,

ani = FuncAnimation(fig=fig, func=update, frames=range(0,100,1),
                    init_func=init, interval=500, blit=True)
ani.save('scatters.gif', writer='imagemagick')
# 也可以使用扩展库pillow写入GIF动图
# ani.save('scatters.gif', writer='pillow')
# 保存为MP4视频文件，需要安装扩展库imageio、imageio-ffmpeg
ani.save('scatters.mp4', writer='ffmpeg', fps=5)