Update the order of step and epoch_id in the print function (train.py… (!710) · 合并请求 · PaddlePaddle / book

Update the order of step and epoch_id in the print function (train.py… !710

Created by: Steffy-zxf

train.py中第128行打印的step和epoch_id顺序似乎反了，一个batch应该是一个step，一个pass应该是一个epoch。 fix the issue#709