https://anotepad.com/notes/q7g62asm
https://sonfoam4.werite.net/wh....ey-protein-bars-quic
A base URL is useful for the URL parser when the enter might be a relative-URL string. This is used to help caching the object a "blob" URL refers to as wellas its origin. It is essential that these are cached as the URL may be removed fromthe blob URL store between parsing and fetching, while fetching will still need to succeed. A URL’s port is eithernull or a 16-bit unsigned integer that identifies a networking port. Pathconverters also can raise ValueError to indicate