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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 get_children(self):
 """Cache superclass result"""

        key = self.CHILDREN_KEY % self.pk
        #children = cache.get(key, None)
        # if children is None:
        children = super(Page, self).get_children()
        #cache.set(key, children)
        return children