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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_view(self):
 """ Get the page to display. If a view has already been created and is cached, use that otherwise initialize the view and proxy. If defer loading is used, wrap the view in a FrameLayout and defer add view until later. """

        d = self.declaration
        if d.cached and self.widget:
            return self.widget
        if d.defer_loading:
             self.widget = FrameLayout(self.get_context())
             app = self.get_context()
             app.deferred_call(
                 lambda: self.widget.addView(self.load_view(), 0))
        else:
            self.widget = self.load_view()
        return self.widget