Ok so technically Python is call-by-object and how it behaves depends on what you're doing. The 1st case below behaves like pass-by-value as expected.

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 ...

Using Python to implement the models. Next, we’ll illustrate how to implement panel data analysis in Python, using a built-in dataset on firms’ performance from the `linearmodels` library that follows ...