animated_plot.py

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


fig = plt.figure()
ax = plt.axes(xlim=(-2,5), ylim=(0,10))
line, = ax.plot([], [])


def init():
    line.set_data([], [])


def animate(i):
    x = [x*i for x in range(10)]
    y = [np.random.randint(100) for _ in range(10)]
    line.set_data(x, y)
    ax.set_xlim(0, max(x) + 5)
    ax.set_ylim(0, max(y))


anim = animation.FuncAnimation(
    fig,
    animate,
    init_func=init,
    frames=200, interval=20, blit=False)

plt.show()