[gaius]

The problem with flitting between many languages is that these are very perishable skills. To be productive is not merely a matter of being proficient with the keywords and syntax, you need to have in your working memory vast swathes of the standard libraries so you know when to just use a standard function versus reinventing the wheel or spending all your time consulting the docs. This fades quickly if you aren’t doing it every day. I don’t think it’s really possible for most engineers to have more than 2-3 languages that they are really good at, whereas you can dabble in a dozen or more if you are just making small changes to existing code.

The real question is not which language is the best but what is the language and libraries most used in the industry/field you want to work in? Figure that out then go deep.