Polly is a parrot Polly is a parrot Molly is a dog Molly is a dog Woof! The following error is expected: Incompatible function arguments. The following argument types are supported: 1. (Dog) -> None Callback function 1 called! False Callback function 2 called : Hello, x, True, 5 5 func(43) = 44 func(43) = 44