ipython/ipython — Issue #1349: [notebook] `?` may generate hundreds of cell 
Author: Carreau
Created: 2012-01-30 15:07:59+00:00
State: open

By mistake I have executed a cell like

```
for i in range(3):
x= range?
````
but wit ~70 instead of 3
which generated 70 code cell with just `x= range` in it...
it was *really* painfull to clean, it would be nice to prevent something like that