The existing input element should be nested within a form element what should i do

Tell us what’s happening:
Describe your issue in detail here.

  **Your code so far**

<h2>CatPhotoApp</h2>
<main>
<p>Click here to view more <a href="#">cat photos</a>.</p>

<a href="#"><img src="https://cdn.freecodecamp.org/curriculum/cat-photo-app/relaxing-cat.jpg" alt="A cute orange cat lying on its back."></a>

<p>Things cats love:</p>
<ul>
  <li>cat nip</li>
  <li>laser pointers</li>
  <li>lasagna</li>
</ul>
<p>Top 3 things cats hate:</p>
<ol>
  <li>flea treatment</li>
  <li>thunder</li>
  <li>other cats</li>
</ol>
 <form action="https://www.freecatphotoapp.com/submit-cat-photo">
 </form>
<input type="text" placeholder="cat photo URL">
</main>
  **Your browser information:**

User Agent is: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/96.0.4664.110 Safari/537.36

Challenge: Create a Form Element

Link to the challenge:
https://www.freecodecamp.org/learn/responsive-web-design/basic-html-and-html5/create-a-form-element :weary: :weary:

@ysf The challenge asked you to Nest the existing input element inside a form element.
See the following example;

<form action="/url-where-you-want-to-submit-form-data">
  <input type="text" placeholder="cat photo URL">
</form>