Python has replaced Java in many universities, and is used in other domains than CS.

Python caches compiled versions by default. (__pycache__) and simply starts faster.

Python is more a scripting language, similar to Ruby. Swift was late to the game, and is quite strict.

*performance is a feature*

And in particular perceived performance and startup performance (“lag”)

It’s one of the reasons for the success of Chrome, MySQL, Mongodb, and many others.