I am trying to execute the input function, but the cell to enter information does not appear. What is this about? I am using JupyterLite online. I can't install programs on my computer so I use the web version

I am trying to execute the input function, but the cell to enter information does not appear. What is this about? I am using JupyterLite online. I can't install programs on my computer so I use the web version
