title: Python Play two videos in one window
body: <p>Is it possible to play two videos in one single window then generate a new video using python? i.e. I have video_1.avi and video_2.avi and want to create video_3.avi which includes 1 and 2. As this picture shows:
  <a href="https://i.stack.imgur.com/u6dd5.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/u6dd5.png" alt="enter image description here"></a></p>
  
  <p>Any ideas and suggestions will be greatly appreciated. </p>