Literally interpreting your question: If you know python, and it can do the job, then there's no reason not to chose it. However, there are many cases where it

Literally interpreting your question: If you know python, and it can do the job, then there's no reason not to chose it. However, there are many cases where it can't do the job, and in those cases, the question is obviously, because it can't do the job. I won't entertain you with a list (and following nitpicky discussion on why I'm wrong about every single item on it) of cases where it won't do the job.