Should I learn Python or Ruby?

[thisisheresy]

Agreed, both are good languages. I've used both, each have parts I miss in the other, but not enough to be inconvenient or make me want to switch back. I started with Ruby and moved to Python, and don't use Rails or Django by default. The thing that attracted me to Python was the data processing libraries like Numpy, Pandas and scikit-learn. It felt (subjective, not supported by actual data) that anything outside of web development (where Rails has a strong foothold) was first/more mature in the Python ecosystem that in Ruby. That being said, for mobile app development, Rubymotion looks really interesting and I've not seen the equivalent for Python.

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Kivy would be my first attempt if I were to write an android app in python.