Arrays in Python give you a huge amount of flexibility for storing, organizing, and accessing data. This is crucial, not least because of Python’s popularity for use in data science.

from string.templatelib import Template, Interpolation string.templatelib is a new module in the standard library for Python 3.14 that holds the types we need: Template for the type hint to the ...

In Python, arrays map directly to lists. ... tomllib provides a Python-native way to read TOML and parse it into Python objects, ... since Python dictionary keys can be any string.