Google Colaboratory provides a convenient Jupyter Notebooks-like environment that I actively use. Often, my data sources are located on a Google drive. To use them, there is an easy way to do so by mounting a folder on Google Drive to your Colab Notebook:

You will see an invitation to authorize the Notebook access to your Google Drive:

Finally, you can define a variable pointing to the folder with your data files:

To use a file named data.csv just use: