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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 add(self, levels, logger):
 """ Given a list or tuple of logging levels, add a logger instance to each. """

        if isinstance(levels, (list, tuple)):
            for lvl in levels:
                self.config[lvl].add(logger)
        else:
            self.config[levels].add(logger)