How to hide one specific cell (input or output) in IPython Notebook?

Question

Is there a way to selectively hide one specific input or output cell in IPython notebook?

I could only find the below code to show / hide all input cells.

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Answer 1

Regarding the output, in Jupiter notebook, there is also an option on the bar: You can Clear the output or you can hide it using Toggle. In both cases, you won't delete any variable calculated inside the cell.