Newbe - Help needed Tab not working in Jupyter Notebook 6.4.12

I am new and have tried several of the solution on the web and nothing is working. Tab completion does not work for my installed Jupyter Notebook. I type code and press Tab nothing happens i.e day.(Tab) - nothing happens. I am on windows 10 - Python 3.9.13, conda 22.11.1, ipython –version = 7.31.1. Any help is very much appreciated. Thank you

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