Ipython Notebook: how to run multiple cells?

Question

My notebook gets a bit of long, I divide it into several parts. Sometimes, I just want to run a certain part of it, i.e consecutive cells

For example, <

Answer 1

I know this is not the answer your are looking for (because its not the answer I was looking for) but for your specific case of running cells 52-54, because they are sequential and continuous, you can simply click the play button (run cell and select below) 3 times

and it will queue those cells for running. This will work for a handful of sequential cells, but for out of sequence or really long blocks of cells, probably not the best ideal