Solutions for Stanford CS224W (Machine Learning with Graphs) Colab, Winter 2021
http://snap.stanford.edu/class/cs224w-2020/
http://web.stanford.edu/class/cs224w/
!pip install -q torch-scatter -f https://pytorch-geometric.com/whl/torch-1.9.0+cu102.html
!pip install -q torch-sparse -f https://pytorch-geometric.com/whl/torch-1.9.0+cu102.html
!pip install -q torch-geometric