I am new to coding. Where should I start?

So, I want to be a computer and technology research scientist when i grow up. So i have pretty much no experience about coding.

hi there, welcome to the forum.

You can start learning HTML and CSS here

It is a project based approach so you will start coding right away.
If you prefer to read, there are articles available as well.
If you prefer to be taught, there are videos available on the fCC youtube channel.