![]() The Jupyter Notebook has several menus that you can use to interact with your Notebook. For example, if you open a fresh Notebook and run the first cell at the top of the Notebook, the square braces will fill with the number 1. The square braces will auto fill with a number that indicates the order that you ran the cells. When you run a cell, you will notice that there are some square braces next to the word In to the left of the cell. This makes it easy to separate out your code into logical chunks without needing to reimport libraries or recreate variables or functions in every cell. If you have multiple cells in your Notebook, and you run the cells in order, you can share your variables and imports across cells. When I ran the code above, the output looked like this: If you prefer using your keyboard, you can just press Shift + Enter. To execute a cell, you can just select the cell and click the Run button that is in the row of buttons along the top. Running a cell means that you will execute the cell’s contents. You should now see an in-browser dialog titled Rename Notebook. Just move your mouse over the word Untitled and click on the text. Since that isn’t a very descriptive name, let’s change it! This is the title for the page and the name of your Notebook. You will notice that at the top of the page is the word Untitled. Your web page should now look like this: Naming For simplicity’s sake, let’s choose Python 3. On my machine, I happen to have Python 2 and Python 3 installed, so I can create a Notebook that uses either of these. Now that you know how to start a Notebook server, you should probably learn how to create an actual Notebook document.Īll you need to do is click on the New button (upper right), and it will open up a list of choices. Let’s actually create a Notebook now! Creating a Notebook Note that right now you are not actually running a Notebook, but instead you are just running the Notebook server. This will start up Jupyter and your default browser should start (or open a new tab) to the following URL: Your browser should now look something like this:
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