Unable to take input in jupyter notebook

It is hard to tell if this is the same issue with the little information provided.
It just looks like something is loading still and there is an issue making the proper border? Is that not the case? Were you trying to use input()? Are you trying to say that JupyterLab works but Jupyter Notebook doesn’t? What about the other content here isn’t helping you with your case?

Please read Getting good answers to your questions & reply accordingly and draft future posts with that as a guideline.