jupyterlab/docs/source/user/code_console.md

Code Consoles

Notebooks allow you to write and run code while you create a document. At times, it is helpful to write and run code in an exploratory manner, while not creating a document; a sort of transient playground for interactive code. The JupyterLab Code Console addresses this usage case, with full support for the rich output of Jupyter.

Create a code console by clicking the + button in the File Browser and selecting the kernel:

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Run code using Shift Enter and use the up and down arrows allow you to browse the history of previously run code:

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Tab completion (Tab) and tooltips (Shift Tab) work as in the Notebook:

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You can clear the previous cells of the Code Console by right-clicking on the Code Console and selecting the “Clear Console Cells” item:

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