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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 on_page_layout_choice(self, event):
 """Page layout choice event handler"""


        width, height = self.paper_sizes_points[event.GetString()]
        self.page_width_text_ctrl.SetValue(str(width / 72.0))
        self.page_height_text_ctrl.SetValue(str(height / 72.0))

        event.Skip()