Home Understanding Functions (Task 1) CSER Task 1: Functions – How to open a door CSER Task 1: Functions – How to open a door By zoecampbell78. Published on July 29, 2019. 1 How to Open a Door Share this:TwitterFacebookLike this:Like Loading... 1 comment Add yours 1 Tracy Priest on August 22, 2019 at 11:20 am Log in to Reply This looks like an awesome task to have students complete, Zoe. Well done. Loading... You must log in to post a comment.