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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 set_output(self, outfile):
        ''' Set's the output file, currently only useful with context-managers.

            Note:
                This function is experimental and may not last.
        '''
        if self._orig_stdout:  # restore Usted
            sys.stdout = self._orig_stdout

        self._stream = outfile
        sys.stdout = _LineWriter(self, self._stream, self.default)