title: Import py file in another directory in Jupyter notebook
body: <p>My question is related to <a href="https://stackoverflow.com/questions/4383571/importing-files-from-different-folder">this</a>. I am using Python 3.6 in Jupyter Notebook. My project directory is <code>/user/project</code>. In this directory I'm building a number of models and each has its own folder. However, there is a common <code>functions.py</code> file with functions that I want to use across all models. So I want to keep the <code>functions.py</code> file in <code>/user/project</code> but be able to call it from an <code>.ipynb</code> file in <code>/user/project/model1</code>, <code>/user/project/model2</code>, etc... How can I do this?</p>