Learn HTML by Building a Cat Photo App - Step 1 how can I start afresh

Tell us what’s happening:
Describe your issue in detail here.
Am stocked on how to editing my coding.

  **Your code so far**
<html>
<My CatphotoApp> <\My cat> <Cat Lists> <Things Cats Love:>< nip,<laser pointers,><lasagna><Top 3 things cats hate> <1. flea treatment, .> <2. thunder.> <3.others<\cats hate other cats>
~<  My catphoto>:    <h1>Hello World</h1>
</body>
</html>
  **Your browser information:**

User Agent is: Mozilla/5.0 (Linux; Android 5.1; P5 mini) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/95.0.4638.74 Mobile Safari/537.36

Challenge: Learn HTML by Building a Cat Photo App - Step 1

Link to the challenge:

I know it’s your first time trying to code but just type as the highlighted commands are saying don’t try to type whole code on your own if you are newbie.