how to put list in html code example

Example 1: html ordered list

<ol>
  <lh>ol Header</lh>
  <li>Item One</li>
  <li>Item Two</li>
  <li>Item Thre</li>
</ol>

Example 2: how to make list in html

creats an organised list
<ol>
  <li>apple</li>
  <li>mango</li>
  <li>watermelon</li>
</ol>
creats an unorganised list
<ul>
  <li>apple</li>
  <li>mango</li>
  <li>watermelon</li>
</ul>