The argument is that, if you are using a dynamically (but strongly) typed, higher-level language, you’ll typically need to write less code.

In fact, type checking and annotations become important in a dynamic language like Python long before hitting millions of lines of code, he adds.

When you combine Python's dynamic typing with its generally very compact syntax, you can succinctly and clearly express complex ideas and calculations in fewer lines of code than equivalent C-family ...