In the same way that I don’t think learning sklearn is the hard part of knowing ML, I don’t think 0 or 1 -based arrays is the hard part of any particular langua

In the same way that I don’t think learning sklearn is the hard part of knowing ML, I don’t think 0 or 1 -based arrays is the hard part of any particular language. There are situations where both are appropriate. The choice of either as the deal breaker for a language is extremely superficial.