Answer 1

Well, Python is a new language that's growing up much today.
The language, like R, is very good in math's manipulation, thing turns Python a good language in Data's Science, Machine Learn and Neural Network.
But, there is the case: all depends what you wanna work. For example, if you want to work with Machine / Deep Learning, Neural Networks and Analisys, Python is a pretty choice. However, if you want other thing, like create apps or games, Android and JavaScript is better.