dynamic_plotting.py

import matplotlib.pyplot as plt
from collections import deque
import random

# MAX NO. OF POINTS TO STORE
que = deque(maxlen = 40)

while True:

	# GENERATING THE POINTS - FOR DEMO
	perc = random.random()
	que.append(perc)
	
	# PLOTTING THE POINTS
	plt.plot(que)
	plt.scatter(range(len(que)),que)

	# SET Y AXIS RANGE
	plt.ylim(-1,4)
	
	# DRAW, PAUSE AND CLEAR
	plt.draw()
	plt.pause(0.1)
	plt.clf()

Can read the full blog here: https://medium.com/@vermavinay982/dynamic-graph-plotting-matplotlib-63c94d8fa99f