from typing import Callable def foo(x: int ... more about the origins of type annotations in Python, and how to use them, in PEP (Python enhancement proposal) 484, available online here. Reuven Lerner ...

Python is best thought of as a dynamic but strongly typed language. Types aren’t associated with the names of things but with the things themselves. This makes Python flexible and convenient for ...

It outfits Python with new data types for loading data fast from tabular sources, and for manipulating, aligning, merging, and doing other processing at scale. Pandas is not part of the Python ...