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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 create_scrolled_window(self, layout_manager, horizontal=Gtk.PolicyType.NEVER, vertical=Gtk.PolicyType.ALWAYS):
 """ Function creates a scrolled window with layout manager """

        scrolled_window = Gtk.ScrolledWindow()
        scrolled_window.add(layout_manager)
        scrolled_window.set_policy(horizontal, vertical)
        return scrolled_window