import cv2
  import numpy as np
  
  # choose codec according to format needed
  fourcc = cv2.VideoWriter_fourcc(*'mp4v') 
  video = cv2.VideoWriter('video.avi', fourcc, 1, (width, height))

  for j in range(0,5):
     img = cv2.imread(str(i) + '.png')
     video.write(img)

  cv2.destroyAllWindows()
  video.release()