Add Python Assignments

Add assignments or papers that you have received on Python. These can range from basic to advanced level. Please note these assignments will help us take classes on Python.
Smallest contribution is appreciated.

No file, format, or test is named in the issue. Start by reviewing the repository's existing assignment organization, then add a Python assignment or paper that fits its conventions and supports beginner learning; completion means the new material is included consistently with the current content.

索引モデルが issue の本文から書いたものです。