# naming convention for these notes doesn't work well for importing as a module,
# so 8a-raising_exceptions has been duplicated in ducks.py
import ducks
# created a bunch of ducks and a penguin, plus a flock
flock = ducks.Flock()
donald = ducks.Duck()
daisy = ducks.Duck()
daffy = ducks.Duck()
pingu = ducks.Penguin()
# added all the birds to the flock, including the penguin
flock.add_duck(donald)
flock.add_duck(daisy)
flock.add_duck(
pingu) # gives a warning because we set a type hint for add_duck
flock.add_duck(daffy)
# this causes an error, because penguin objects do not have a fly method
# all the ducks successfully fly, but when we hit pingu, we can't fly and the exception crashes the program
flock.migrate()
import ducks flocks = ducks.Flock() donald = ducks.Duck() daisy = ducks.Duck() duck1 = ducks.Duck() duck2 = ducks.Duck() duck3 = ducks.Duck() duck4 = ducks.Duck() duck5 = ducks.Duck() percy = ducks.Penguin() flocks.add_duck(donald) flocks.add_duck(daisy) flocks.add_duck(duck1) flocks.add_duck(duck5) flocks.add_duck(duck3) flocks.add_duck(duck2) flocks.add_duck(duck4) flocks.add_duck(percy) flocks.migrate()
