class Critter(object): '''A virtual pet''' def __init__(self, name): print 'A new critter has been born!' self.__name = name def get_name(self): return self.__name def set_name(self, new_name): if new_name == '': print 'A critter's name can't be the empty string.' else: self.__name = new_name print 'Name change successful.' name = property(get_name, set_name) def talk(self): print '/nHi, I'm', self.name # main crit = Critter('Poochie') crit.talk() print '/nMy critter's name is:', print crit.name print '/nAttempting to change my critter's name.' crit.name = '' print '/nAttempting to change my critter's name again.' crit.name = 'Randolph' crit.talk()
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