6 Answers
+ 14
Python has good frameworks for machine-learning. Fast prototyping can also be achieved due it being a high-level programming language.
+ 9
Lisp is better, but Python is easier to do it in right away.
+ 6
Really, really fast.
https://iamtrask.github.io/2015/07/12/basic-JUMP_LINK__&&__python__&&__JUMP_LINK-network/
11 lines to a neural net (backpropagation). Full breakdown.
+ 3
However, you may be surprised to hear that Lisp (or Scheme or any remake of it) is also strong in the task of AI. And, for the record, machine learning is mostly the same between languages. I've seen it in GML, Python, Lua, and others before.
+ 2
It's Simple fast and accurate!
+ 2
And Majorly used for this purpose.