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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:

def kill(self):
        '''
        Remove the class from its container, contained items and sub-widgets. 
        Runs automatically when the class is garbage collected.
        '''
        Base.kill(self)
        
        for c in self.containers:
            c.remove_internal(self)
        for w in self.widgets:
            w.remove_internal(self)