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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 accel_rename_current_tab(self, *args):
 """Callback to show the rename tab dialog. Called by the accel key. """

        page_num = self.get_notebook().get_current_page()
        page = self.get_notebook().get_nth_page(page_num)
        self.get_notebook().get_tab_label(page).on_rename(None)
        return True