Matplotlib live plot

liveplot.py

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

plt.rcParams['toolbar'] = 'None'

fig = plt.figure()
ax = fig.add_subplot(1, 1, 1)

def draw():
    ax.clear()
    x, y = np.random.rand(2, 50)
    ax.scatter(x, y)
    plt.pause(0.001)

while True:
    draw()
    time.sleep(0.5)