mutable pathlib for Python

aiohttp extension for creating and modifying dynamic routes in runtime

how does the space overhead in RAM differ when appending elements to mutable collections using methods like .append() compared to using += in immutable structures?

dffr helps you to find a difference between two mutable Python types

Mutable, change-friendly, feature-rich String.

We declare the argument as a list containing one value because we choose a list since it is mutable.