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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 log_info(self, logger):
 """Print statistical information via the provided logger Parameters logger : logging.Logger logger created using logging.getLogger() """

        logger.info('#words in training set: %d' % self._words_in_train_data)
        logger.info("Vocab info: #words %d, #tags %d #rels %d" % (self.vocab_size, self.tag_size, self.rel_size))