Do you really have to learn all the programming languages on sololearn to a professional programmer?

Question

How to be a professional programmer.

Answer 1

"I'm not afraid of someone who learns 10,000 languages, but one who learns one language 10,000 hours and algorithms😳."

4ront Lee😁😁😁
 

Answer 2

Not really. A *proficient* knowledge of one and a good understanding of programming concepts should get you started easily and let you switch to another language to the extent you might need.

Answer 3

I think it would be pretty useful to be able to read and understand other people's code even if your own specialty is different.You're able to find new ways of thinking that could make your own coding better.