[Tutor] iPython notebook In [*]: numbering

[eryksun]

On Wed, Jan 15, 2014 at 4:55 PM, Steven D'Aprano <steve at pearwood.info> wrote:
> On Wed, Jan 15, 2014 at 01:55:53PM +0100, Christoph Kukulies wrote:
>> Am 14.01.2014 15:27, schrieb eryksun:
>> >Did you try restarting the kernel and then recalculating the cells?
>> >
>> >     Kernel => Restart
>> >       Cell => Run All
>>
>> Thanks. These both in that order helped to fix it.
>
>
> I'm glad that Eryksun was able to help, now would somebody like to
> explain what was going on?
>
> I don't even understand the answer given. I tried entering "Kernel =>
> Restart" at the iPython prompt, and got a SyntaxError.

The question is about using an IPython notebook (it's similar to a
Mathematica notebook):

http://ipython.org/notebook.html

I assumed familiarity with the "Kernel" and "Cell" menus.