Printing without code : Documentation/ nbconvert
https://stackoverflow.com/questions/49907455/hide-code-when-exporting-jupyter-notebook-to-html
jupyter nbconvert stock_analysis.ipynb —no-input —to pdf
jupyter nbconvert —to html —no-input —no-prompt phi_analysis.ipynb
—clear -output
jupyter nbconvert —to html —TemplateExporter.exclude_input=True Querying.ipynb