animated.py

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

fig, ax = plt.subplots()

x = np.arange(0, 2*np.pi, 0.01)
line, = ax.plot(x, np.sin(x))


def init():
    # Inicializa los datos
    line.set_ydata([np.nan] * len(x))
    return line,


def animate(i):
    # Actualiza los datos
    line.set_ydata(np.sin(x + i / 100))
    return line,


ani = animation.FuncAnimation(
    fig, animate, init_func=init, interval=2, blit=True, save_count=50)

plt.show()