This is like saying you can be fluent in Japanese by learning the grammar and saying nothing about the vocabulary. Fluency with the libraries python offers is

This is like saying you can be fluent in Japanese by learning the grammar and saying nothing about the vocabulary. Fluency with the libraries python offers is far more important than whether you express yourself imperatively or functionally. That said, I'm off to the library to borrow a copy of Real World Haskell.