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protocol Animal{
func run()
func stop()
protocol Eye{
func closeEyesAndSleep()
func openEyesAndLookAround()
class Cat : Animal, Eye{
func run() {
print("Cat is running now")
func stop() {
print("Cat has stopped now")
func closeEyesAndSleep() {
print("Cat is sleeping now")
func openEyesAndLookAround() {
print("Cat is looking around")
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