Added 'py' alias for Python/JupyterLanguage

[CyanideByte]

Describe the changes you have made:

Added "py" to aliases list on JupyterLangauge class

Reference any relevant issues (e.g. "Fixes #000"):

https://discord.com/channels/1146610656779440188/1221178035378589776

Pre-Submission Checklist (optional but appreciated):

• [x] I have included relevant documentation updates (stored in /docs)
• [x] I have read docs/CONTRIBUTING.md
• [x] I have read docs/ROADMAP.md

OS Tests (optional but appreciated):

• [x] Tested on Windows
• [ ] Tested on MacOS
• [ ] Tested on Linux