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

fig,ax = plt.subplots()

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

def animate(i):
    line.set_ydata(np.sin(x + i/10))
    return line

def init():
    line.set_ydata(np.sin(x))
    return(line)

ani = animation.FuncAnimation(fig = fig,func = animate,frames= 100,init_func= init, interval=20,blit=False)

plt.show()
