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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 exception(self, s):
 """Write error message with traceback info."""

        self.error(s)
        type, value, tb = sys.exc_info()
        self.writelines(traceback.format_stack(), 1)
        self.writelines(traceback.format_tb(tb)[1:], 1)
        self.writelines(traceback.format_exception_only(type, value), 1)