tldr a youtube video code example

Example 1: how to add a youtube video in html

<!-- 1. Find a YouTube video and copy the embedded code
	 2. Set width and height -->
<iframe width="420" height="345" 
src="https://www.youtube.com/embed/tgbNymZ7vqY">
</iframe>

Example 2: how to make a youtube video on a website

<iframe width="560" height="315" src="https://www.youtube.com/embed/**PUTIDOFVIDEOHERE**" 
frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture" allowfullscreen>
</iframe>