What should i do either i should concentrate on one skill or of all

Answer 1

Just doing one thing is not enough; but all is not possible either, it's just too much.

Better to think project-oriented!

Choose something you want to do and read up on whatever you need for that. Ignore everything else until the project is done.

After that, choose a new project that forces you to extend your scope even a bit further.

Answer 2

I find it’s easier to focus on one until you have a basic understanding of it before moving on.

Answer 3

I like to focus on just one language.

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