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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 stop(self):
 """ Stop this WriterProcessBase, and reset the cursor. """

        self.stop_flag.value = True
        with self.lock:
            (
                Control().text(C(' ', style='reset_all'))
                .pos_restore().move_column(1).erase_line()
                .write(self.file)
            )