Please why is the animation not working

Question

https://code.sololearn.com/WfXrJ9jV7fU0/?ref=app

Answer 1

<script src="https://cdn.jsdelivr.net/npm/tsparticles-confetti@2.12.0/tsparticles.confetti.bundle.min.js"></script>
this is the link i got from the web in examples section. It works with it

Answer 2

ReferenceError: Can't find variable: confetti at Line: 19

Answer 3

Any idea