text: #!/usr/bin/env python3
  # -*- coding: utf-8 -*-
  
  import cv2
  import numpy as np
  
  img = cv2.imread("images/image00003.jpg")
  
  height, width, ch = img.shape
  
  empty_img = np.zeros((height, width, 3), np.uint8)
  
  cv2.imshow("img", img)
  cv2.imshow("empty", empty_img)
  cv2.waitKey(0)
  
  height = int(height)
  width = int(width)
  
  
  for y in range(height):
    for x in range(width):
      (b, g, r) = img[y, x]
      empty_img[y, x] = (b, g, r)
      cv2.imshow("empty", empty_img)
      cv2.waitKey(1)
  
  cv2.waitKey(0)
  cv2.destroyAllWindows()
  