If consistency if so important, why do we have: function, func, fun, fn, def, etc... depending the author? For clarity, use "function", for simplicity use "func

If consistency if so important, why do we have: function, func, fun, fn, def, etc... depending the author? For clarity, use "function", for simplicity use "func", other forms are just fancy. "This is the standard we should all adopt!" https://xkcd.com/927/ https://xkcd.com/927/