When you access http://localhost:8888, two example Jupyter notebooks are available to peruse. To create a new Jupyter notebook, select new -> Python 2.
Starting out, we recommend looking through the [https://github.com/mozilla/emrmozilla-bootstrap-sparkreports/blob/master/examplestutorials/telemetry_hello_world.kp/orig_src/Telemetry%20Hello%20World.ipynb Telemetry Hello World] notebook. It gives a nice overview of Jupyter and analyzing telemetry data using pyspark and the RDD API.
=== Using Jupyter ===