Answer 1

First of all it depends on what you want to do, your interests, your goals...
Here is another similar question which has a lot of different answers, so I think you can find what are you looking for:
https://www.sololearn.com/Discuss/86212/?ref=app

(In my opinion, python is a good choice. It is very popular and you can earn a lot of skills. Have a look here:
https://www.sololearn.com/Discuss/403095/?ref=app)

Hope it helps