cv2.imshow command doesn't work properly in opencv-python

Question

I\'m using opencv 2.4.2, python 2.7 The following simple code created a window of the correct name, but its content is just blank and doesn\'t show the image:

Answer 1

You must use cv2.waitKey(0) after cv2.imshow("window",img). Only then will it work.

import cv2
img=cv2.imread('C:/Python27/03323_HD.jpg')
cv2.imshow('Window',img)
cv2.waitKey(0)