PyTorch内置数据集简介

from torchvision import datasets, transforms

transform = transforms.Compose(
    [transforms.ToTensor(), transforms.Normalize((0.5,), (0.5,))]
)

train_dataset = datasets.MNIST(
    root="./data", train=True, transform=transform, download=True
)
test_dataset = datasets.MNIST(
    root="./data", train=False, transform=transform, download=True
)

print(train_dataset)
print(test_dataset)