This tutorial provides a comprehensive guide on how to create a one-time password (OTP) verification system in Django using Twilio for both SMS and WhatsApp channels. The application allows users to select their preferred method of receiving the OTP, verifies the OTP entered by the user, and redirects them to a home page if the OTP is correct. The tutorial covers setting up the project, creating models for saving user profiles and OTPs, sending OTPs via SMS and WhatsApp, and authenticating the OTP using Django views. The code examples provided in the tutorial demonstrate how to use Twilio's Python library to send messages and authenticate users.