You may move the Notebook over so we can see your text file at the same time to compare, resizing the Notebook window as needed.The author selected the United Nations Foundation to receive a donation as part of the Write for DOnations program. ![]() The cell is selected if the blue bar is on the left side of the cell. The mode is also listed on the info bar at the bottom of the page. Click inside the box, and the cell will turn white with a blinking cursor inside it, then the cell is now in edit mode. ![]() We’ll talk about command mode more later. If your cell is grayed out and you can’t see a blinking cursor in the cell, then the cell is in command mode. The cell can be in 1 of 2 modes: command mode or edit mode. And you should see an empty cell at the top of the Notebook. And all the way to the right is the name of your Kernel (which you can click to change Kernels) and a Kernel Status Icon that indicates if something is being computed by the Kernel (by a dark cirlce) or not (by an empty circle).īelow the toolbar is the Notebook itself. There is also a dropdown menu to select the kind of cell (Markdown, Raw, or Code). There is a Toolbar at the top with buttons that allow you to: Save, Create New Cells, Cut/Paste/Copy Cells, Run the Cell, Stop the Kernel, Refresh the Kernel. You will also have a new window open in the main work area for your new Notebook. If you have the File Browser Tab open, notice you just created a file called Untitled.ipynb. Another way is to go to the top Menu Bar and select “File▶New▶Notebook.” JupyterLab will prompt you with a dialogue box to select the Kernel you want to use in your Notebook. One way is to select the File Browser Tab, click the “New Launcher” button, and select a Python 3 Notebook from the Launcher. There are two ways to open a Jupyter Notebook. You should just have the Text editor window open, now we’re ready to look at Jupyter Notebooks. Now, let’s close the Terminal tab and shut down the Terminal in the Running Kernels tab (or execute “exit” in the Terminal itself). Execute python hello.py in the Terminal window. Run ls in the Terminal window to see the text file we just created. Click the File Browser tab to collapse the left sidebar and get more real estate! Alternatively you could stack the windows one on top of the other. Drag the Terminal tab to the right side of the main work area to view both windows simultaneously. Now you have 2 tabs open: a text editor tab and a terminal tab. ![]() In the Launcher tab, click on the “Terminal” button, again to create a terminal. Now, click the “+” button in the File Browser to create a new Launcher. py, Jupyter recognizes that this is a Python file, and the text editor syntax highlights the code. Go to the File Browser tab and right-click the new text file we create and “Rename” it to hello.py. Save the file (“command+s” on Mac, “control+s” on Windows, or “File▶Save Text”). You may notice that the file has a dot instead of an “X” where you’d close it, this indicates that the file hasn’t been saved or has unsaved changes. We will not be covering JupyterLab extensions, but you can read more about them here. These customizations could pertain to themes or keyboard shortcuts, for example. Last is the Extensions Manager Tab where you can customize or enhance any part of JupyterLab. It allows you to quickly jump between sections of the document. The Table of Contents Tab is auto-populated based on the headings and subheadings used in the Markdown cells of your notebook. Remember that Kernels are background processes, so closing a tab (Terminal or Notebook) doesn’t shut down the kernel. We will revisit this when we have running kernels. Currently this tab doesn’t have much in it. The “upload” button (looks like an arrow pointing up) allows you to upload files to the current folder.Īnd the “refresh” button refreshes the File Browser.īelow the File Browser Tab is the Running Tabs and Kernels Tab. The root directory is the directory from which JupyterLab was launched. Double click the folder to enter it, right click the folder for options, or press the “root folder” icon to return to the root directory. ![]() Next to that is the “+ folder” button which allows you to create a new folder that then appear below “Name” in the contents of your directory. Within this tab you will see the “+” button which allows you to create a new launcher. Clicking the File Browser Tab will collapse the sidebar or reopen it to this tab. The Collapsible Left Sidebar is open to the File Browser Tab at launch. Installing and Managing Python with Condaįormatted Text in the Notebook with MarkdownĪnnotations, Colorbars, and Advanced Layouts
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