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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 end(self):
 """Shutdown the curses window."""

        if hasattr(curses, 'echo'):
            curses.echo()
        if hasattr(curses, 'nocbreak'):
            curses.nocbreak()
        if hasattr(curses, 'curs_set'):
            try:
                curses.curs_set(1)
            except Exception:
                pass
        curses.endwin()