update recipe on remove-input

Author: parmentelat

notebooks/0-00-intro-nb.md

@@ -48,7 +48,7 @@ summarize most of our notebook recipes, regarding among others
   note that collapsible also applies to admonitions
 
 * exercises
-* hide-input artefact (a code cell whose input code is hidden)
+* remove-input artefact (a code cell whose input code is hidden)
 * miscell usual tricks (link to a downloadable file, iframe with some static html, ...)
 * courselevels - mostly deprecated:
   * using tags to specifiy a level among basic=green, intermediate=blue, advanced=red

notebooks/1-02-videos-nb.md

@@ -33,7 +33,7 @@ IFrame(
 )
 ```
 
-## ditto with `hide-input`
+## ditto with `remove-input`
 
 the same with the input area hidden with 
 

notebooks/1-11-hideinput-nb.md

@@ -13,78 +13,55 @@ language_info:
   pygments_lexer: ipython3
 ---
 
-# hide-input
+# remove-in/output
 
-+++
+these 2 tags (`remove-input` and `remove-output`) are effective ***on code cells only***
 
-this may require some more checking but IIRC the `jupyterlab-courselevels` may be required for this to work properly
+the feature is activated through the code cell's `metadata.tags` that contain `remove-input` or remove-output`
 
-+++
+## textual input
 
-## code cells
-
-+++
-
-````{caution}
-the next code cells are marked as `metadata.tags` contains `hide-input`
-
-on a historical note: in nbclassic this used to be marked with `metadata.hide_input=true`
-````
-
-+++
-
-````{note}
-
-* thanks to (1) the jb HTML output will come as a collapsible
-* thanks to the `jupyterlab-courselevels` extension, with (1) the code cell input should be hidden in jupyterlab (and hopefully nb7 as well)
-* because of (2) the cell input will not show under nbclassic  
-  this requires the jupyter contrib extensions installed, and the hide-input extension enabled
-````
-
-+++
-
-↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓ 2 hide-input cells below
+here's the textual input for the first cell below
 
+````text
 ```{code-cell} ipython3
 :tags: [remove-input]
-
-# this text should be hidden
-print("should show the output but not the code")
+print("with remove-input we show the output but not the code")
 ```
+````
+
+## `remove-input`
+
+↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓ 1 remove-input code cell below
 
 ```{code-cell} ipython3
 :tags: [remove-input]
-
-# this text should be hidden
-print('and another hide-input cell')
+print("with remove-input we show the output but not the code")
 ```
 
-↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑ hide-input cells above
-
-+++
+↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑ hide-input cell above
 
-## 2 visible cells, one text and one code
+## `remove-output`
 
-+++
-
-with one markdown cell (this very one) and one code cell
+↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓ 1 remove-output code cell below
 
 ```{code-cell} ipython3
-# code (visible)
-print("hello")
+:tags: [remove-output]
+print("this time we see the code and not the output")
 ```
 
-## same with hide-input
-
-below we repeat these 2 cells, with hide-input set
+↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑ remove-output cell above
 
-+++ {"tags": ["remove-input"]}
+## `remove-cell`
 
-a (hidden-input) markdown cell wont show up at all
+↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓ 1 remove-cell code cell below
 
 ```{code-cell} ipython3
-:tags: [remove-input]
+:tags: [remove-cell]
 
-# code (hidden-input) will just produce an output, but won't show up
-print("hello")
+# this time we see nothing
+print("should show the code but not the output")
 ```
+
+↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑↑ remove-cell cell above
+