When you are switching from a text editor to jupyter notebook environment for writing python code, you will definitely wish to see line numbers on jupyter notebook cells. And one obvious reason is that it makes it easier to trace errors as seen below.
In the script pictured above, there is an 'ElementNotVisibleException' error on line 86. If the cell line number was off, it will be very difficult to count and locate the line where the error occurred. But will line number enabled, we just scroll to the line number as seen below.
To toggle cell line numbers in Jupyter notebook, you can use two keyboard shortcuts in "Command Mode" as follow:-
1) L - to toggle line numbers
2) Shift-L - to toggles line numbers in all cells, and persist the setting
Note that the Jupyter Notebook has two different keyboard input modes.
Edit mode allows you to type code or text into a cell and is indicated by a green cell border.
Command mode binds the keyboard to notebook level commands and is indicated by a grey cell border with a blue left margin.
That is it!
In the script pictured above, there is an 'ElementNotVisibleException' error on line 86. If the cell line number was off, it will be very difficult to count and locate the line where the error occurred. But will line number enabled, we just scroll to the line number as seen below.
How to enable cell line numbers in Jupyter notebook
To toggle cell line numbers in Jupyter notebook, you can use two keyboard shortcuts in "Command Mode" as follow:-
1) L - to toggle line numbers
2) Shift-L - to toggles line numbers in all cells, and persist the setting
Note that the Jupyter Notebook has two different keyboard input modes.
Edit mode allows you to type code or text into a cell and is indicated by a green cell border.
Command mode binds the keyboard to notebook level commands and is indicated by a grey cell border with a blue left margin.
That is it!
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