Build PyTorch tutorials locally.
refs: https://github.com/MicrosoftDocs/learn/tree/main/learn-pr/pytorch https://learn.microsoft.com/en-us/training/paths/pytorch-fundamentals/
$ python3 -m venv .env
$ source .env/bin/activate
(.env) $ pip3 install torch torchvision torchaudio --index-url https://download.pytorch.org/whl/cu118
(.env) $ pip3 install -r requirements.txt
(.env) $ jupyter notebook