nside <a href="/basic_train.html#Learner"><code>Learner</code></a> to train a model. This is the generic class, that can take any kind of fastai <a href="https://pytorch.org/docs/stable/data.html#torch.utils.data.Dataset"><code>Dataset</code></a> or <a href="https://pytorch.org/docs/stable/data.html#torch.utils.data.DataLoader"><code>DataLoader</code></a>. You'll find helpful functions in the data module of every application to directly create this <a href="/basic_data.html#DataBunch"><code>DataBunch</code>