new_contents: #!/usr/bin/env python
  
  import pdb
  import cv2
  
  
  def main():
      cap = cv2.VideoCapture("./data/video.mp4")
  
      while True:
          ret, im = cap.read()
          # blur = cv2.GaussianBlur(im, (0, 0), 5)
          cv2.imshow('video test', im)
          key = cv2.waitKey(10)
          if key == 27:
              break
  
  
  if __name__ == '__main__':
      main()
  
subject: Read video file.