Python Encryption Using Tink
Python Only Allow Single Instance to Run (or Kill Previous Instance)
Python Asyncio Graceful Shutdown (Interrupt Sleep)
Simple Guide to Subprocess (launch another python script)
Simple Guide to Python Asyncio
Simple Guide to Python Multiprocessing
Python FTP: List Files in Directory and Download
Google OAuth2 Build Google REST Api Service on Local

oauth2client or google-auth

Simple Guide to Python Threading
Python 3.x: Threading vs Multiprocessing vs Asyncio