(it should get ~82 on valid and ~79 on test)

$ python main.py --dataset ptb

.....

epoch: [24] [ 250/ 265] loss: 3.466149
Valid: loss: 5.225354, perplexity: 185.927017
{'perplexity': 83.749542031012467, 'epoch': 24, 'valid_perplexity': 146.71359295576036, 'learning_rate': 0.5}
[] Saving checkpoints...
Test: loss: 4.836956, perplexity: 126.084908
[] Test loss: 4.954320, perplexity: 141.786226