# [Tutor] problem solving with lists

marcus.luetolf at bluewin.ch marcus.luetolf at bluewin.ch
Mon Mar 7 02:44:54 EST 2022

```Hello Experts,
I might be misunderstood:

I am absolutely aware of what computers can do and what computing or more
specifically "computationalt hinking"
or the difference between an algorithm and a computer code means,
having attende edx courses authored by Eric Grimsson and John Guttag from
MIT.
I should have written ... c) if my problem can by solved with python or any
other programming language at all.

It's the process of finding an algorithm to solve my task I am stuck with
and that's why I addressed tutor with my
problem for a hint how to hink about it.

I think there is a level of mathematics involved for which I have not enough
background if any.

I'am very gratefull for your advice to reduce the task to 9 items/letters in
sublists of 3 (soem sort of recursion ?)
but it doesn't get me any further.

Marcus.

-----Ursprüngliche Nachricht-----
Von: Tutor <tutor-bounces+marcus.luetolf=bluewin.ch at python.org> Im Auftrag
von Alan Gauld via Tutor
Gesendet: Sonntag, 6. März 2022 10:04
An: tutor at python.org
Betreff: Re: [Tutor] problem solving with lists

On 06/03/2022 07:15, marcus.luetolf at bluewin.ch wrote:
> Hello Experts,
>
> I'am still biting my teeth out trying to put in to code the following
> pseudocode:

> ... c) if my problem can by solved by python at all.

It is important to remember that programming languages do not solve
problems. They merely provide tools to generalize and automate the solution
once YOU have found it.

But it's up to you to formulate a solution. And at this point it seems to be
the required algorithm that is eluding you rather than the python constructs
needed to implement that.

Can you reduce the size of the problem and solve it on paper? That may give
a clue to how you should solve it for bigger cases. What if you reduce the
problem to, say, 9 letters and sublists of only 3? Does that help?

Even if it only clarifies the definition of the output.

--
Alan G
Author of the Learn to Program web site
http://www.alan-g.me.uk/
http://www.amazon.com/author/alan_gauld
Follow my photo-blog on Flickr at:
http://www.flickr.com/photos/alangauldphotos

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