.pyc files are compiled code… a file output created when a Python interpreter runs a raw python file (.py) - it’s compiled into bytecode (python v machines can read it but humans can’t) and cached… it’s a way to lightly obfuscate code because it needs to be reverse engineered to access the original source but could be imported as a zip and run in a modular design (as long as your machine embodies required dependencies… you need the correct Python environment) but it can act as a proof that a person successfully had access to and extracted/ran the original source code