Hi!! This code is a web file using html, css and javascript. This is a to-do list wherein the user can add, mark as done and delete various tasks on their list. I would like to give proper credits to GreatStack as their video helped me in achieving this code. Here is the link to their video if you would like to watch it and use their tutorial as a guide: https://www.youtube.com/watch?v=G0jO8kUrg-I