Google collaboratory
https://colab.research.google.com/notebooks/welcome.ipynb
How to make the Holoviews show graph on Google Colaboratory notebook? - Stack Overflow
https://stackoverflow.com/questions/54793910/how-to-make-the-holoviews-show-graph-on-google-colaboratory-notebook
can't install package cartopy· Issue 85 · googlecolab/colabtools · GitHub
https://github.com/googlecolab/colabtools/issues/85
Google Colab環境でWebスクレイピングを行うためのメモ。スクレイピングした情報をGoogle Driveに書き込むまでの流れ - Qiita
https://qiita.com/safa/items/90c370ebefbecbcfecac
scraping web