How to clear output from all cells?

Question

With iPython, is there any way to clear output from all cells? I am looking for a command that can do it in one shot.

I see that clear_out like below can do the cleaning work, but it works for one single cell, not all:

from IPython.display import clear_output
clear_output(wait=True)

Are you asking how to do it programmatically? Because the UI command does exist, but the way it's called differs between UIs/IDEs — Panagiotis Kanavos
– Panagiotis Kanavos, Commented Sep 23 at 8:46
Does this answer your question: stackoverflow.com/a/47774393/21452631 ? — Arpan
– Arpan, Commented Sep 23 at 8:53

user31312790 · Accepted Answer · 2025-09-23 10:39:01Z

0

Pretty much suggest using jupyter nbconvert --clear-output --inplace my_notebook.ipynb.

Or:

from IPython.display import clear_output
import time

for i in range(5):
    clear_output(wait=True)  # Clears previous output before printing new
    print(f"Iteration {i+1}")
    time.sleep(1)

You cloud use this Python code above for clearing output dynamically within a code cell, often within loops or for displaying real-time updates.

answered Sep 23 at 10:39

user31312790

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1 Comment

ThomasIsCoding Sep 24 at 9:34

I think jupyter nbconvert --clear-output --inplace my_notebook.ipynb is close to what I want, but it will have problem when executing it in my_notebook.ipynb since it will overwrite the current open file, so you need to manually accept the overwritten action.

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