How to use different interpreters for two notebooks?

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Huang
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In same project, I have 2 notebooks `A.ipynb` and `B.ipynb`, I want to use Python 3.10 for `A.ipynb`, use Python 3.14 for `B.ipynb`. How can I do that? I had added two interpreters(Python 3.10 and 3.14).

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Mikhail Tarabrikov
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Hi Huang, currently, this isn’t implemented - the default Jupyter servers always start with the project’s interpreter. You can, however, work around this by configuring an external Jupyter server with the interpreter you want to use:

- Start the server manually with the interpreter you want:

/path/to/py310/bin/python -m jupyter lab --no-browser --ip=127.0.0.1 --port=8888

or

/path/to/py314/bin/python -m jupyter lab --no-browser --ip=127.0.0.1 --port=8889

- Copy the full URL (including token) printed in the terminal, for example: http://127.0.0.1:8888/lab?token=…

- In PyCharm, open File | Settings | Jupyter | Jupyter Servers > Add External > paste the server URL with token

- Once connected, open your notebook and choose the kernel corresponding to that interpreter. Please refer to this article for details: https://www.jetbrains.com/help/pycharm/configuring-jupyter-notebook.html 

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Huang
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Thanks, I will try it later.

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