On Thu, 16 Mar 2017 11:03:56 +1300, Gregory Ewing wrote: > Steve D'Aprano wrote: >> You probably can't make a whale fly just by changing the class to bird. >> It will need wings, and feathers, at the very least. > > Some things succeed in flying with neither wings nor feathers. > Helicopters, for example.
helicopters DO have wings. that is why they are technical referred to as ROTARY WING Aircraft ;-) -- Boy, that crayon sure did hurt! -- https://mail.python.org/mailman/listinfo/python-list