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 | import numpy as np 
import matplotlib.pyplot as plt
 
from matplotlib.animation import FuncAnimation
 
from random import uniform, randint
 
fig = plt.figure(figsize=(8,6), dpi=80) # figsize in dots, dpi (dot per inch) so it result size is (8*80,6*80).   
 
subplot = plt.subplot(1,1,1)  # Getting the subplot.
 
 
def update(arg) :
  # Animation update screen function:
  # generate differents bars at every call.
 
  global subplot
 
  pos=[]
  datas=[]
  colors=[]
  for v in range(0,24) :
    # Generate the datas for the bars. 
    pos.append(v)
    datas.append(randint(5,24))
    colors.append( (uniform(0.0,1.0), uniform(0.0,1.0), uniform(0.0,1.0)) )
 
 
  # Set the bars and keep the returned value for function returning.  
  ret=subplot.bar(pos, datas, width=1.0, animated=True, color = colors, fill=True ) # Color.
 
 
  subplot.set_xticks([])  # X axes values marks.
  subplot.set_yticks([])  # Y axes values marks.    
 
 
  return ret  # Must be returned so that the screen is cleaned.
 
 
def init_function() :
  # Animation initialisation function:
  # called one time at animation start.
 
  global subplot
 
 
  pos=[]
  datas=[]
  colors=[]
  for v in range(0,24) :
    # Generate the datas for the bars.
    pos.append(v)
    datas.append(randint(5,24))
    colors.append( (uniform(0.0,1.0), uniform(0.0,1.0), uniform(0.0,1.0)) )
 
 
  # Set the bars and keep the returned value for function returning.    
  ret=subplot.bar(pos, datas, width=1.0, animated=True, color = colors, fill=True ) # Color.
 
 
  subplot.set_xticks([])  # X axes values marks.
  subplot.set_yticks([])  # Y axes values marks.    
 
 
  return ret  # Must be returned so that the screen is cleaned.
 
 
animation=FuncAnimation(fig , update,  interval=100, blit=True, frames=200, init_func=init_function)
 
plt.show() | 
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