Traceback (most recent call last):
File “093.py”, line 118, in
d2l.train_ch3(net, train_iter, test_iter, loss, num_epochs, trainer)
AttributeError: module ‘d2l.torch’ has no attribute ‘train_ch3’
d2l这个库里没有train_ch3这个函数吗
我最近才开始学习刚刚学到这个部分用到了它，检查一下看看是不是from d2l import torch as d2l，