# Animated line plot¶

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():  # only required for blitting to give a clean slate.
line.set_ydata([np.nan] * len(x))
return line,

def animate(i):
line.set_ydata(np.sin(x + i / 100))  # update the data.
return line,

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

# To save the animation, use e.g.
#
# ani.save("movie.mp4")
#
# or
#
# writer = animation.FFMpegWriter(