Once you are satisfied with the results, you should save your Notebook by clicking on File and then Save. Additionally, a nice feature is the ability to download the Notebook in various formats so that you can share with others who may not have access to Watson Studio. We will discuss this more in the next section.
For now, try navigating to File | Download as | Python (.py), which will save all of the Python code blocks within the Notebook as a standard Python code file, which can be shared and run within other Python environments: