python的get set方法示例，pythongetset示例,class Critte

python的get set方法示例，pythongetset示例,class Critte

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# maincrit = Critter('Poochie')crit.talk()print '\nMy critter's name is:',print crit.nameprint '\nAttempting to change my critter's name.'crit.name = ''print '\nAttempting to change my critter's name again.'crit.name = 'Randolph'crit.talk()