Change resolution of the video using OpenCV

Introduction:

Currently, I am working on IoT based project which takes a picture from a camera and gives emotional ratings to those images, on my way I tried some small basic KUTTY-KUTTY(small) program just to make my hands firm on this project here is one code I have written in python using OpenCV library. 

Working:

This code just enables the default camera of the system and enables video whose reolution is reduced as per the parameter's set by th user.  

 

Program:

Output:

Reference:

GitHub Repository