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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 update_attrs(self, old, new):
 """ Update any `attr` members. Parameters old: Declarative The existing view instance that needs to be updated new: Declarative The new view instance that should be used for updating """

        #: Copy in storage from new node
        if new._d_storage:
            old._d_storage = new._d_storage