How can the iframe tag in this code work?What are my mistakes?

Question

https://code.sololearn.com/Wwf23c7BLzN1/?ref=app

Answer 1

To embed youtube write like this..
<iframe width="320" height="240" src="https://www.youtube.com/embed/LINK_ID"></iframe>

Inplace of link I'd, add a valid id...

Answer 2

For more information, see this...
https://www.sololearn.com/learn/338/?ref=app
You're welcome...

Answer 3

Thank You Jayakrishna