[Tutor] 2D array question [was (no subject)]

[Amadeo Bellotti]

thank you so much Mr. Gauld that really helped

On 8/18/06, Alan Gauld <alan.gauld at freenet.co.uk> wrote:
>
> > Mr. Kuhlman it says python is not configured for tk.
>
> Gaarrgh! Why do linux distros do this? Stooopid...
>
> You will need to fetch another version of Python with
> Tk support built in. Its a compile time option so you can
> either fetch the source an build it yourself or find a Suse
> package with Tk support already selected.
>
> Its really stupid for Suse to do that, it only saves a tiny
> amount of space and means you can't run any programs
> based on Tkinter...
>
> > but on another note does anyone know how to make a 2d array?
>
> This should probably be a separate post.
>
> Also can you change the subject line in your posts so people
> can fiind the thread easily. I've changed it on this one to pick
> up the 2D array issue....
>
> A 2D array is just a table. There are several ways to do that
> in Python but the easiest is just a list of lists: Think of a chess
> game as an example where the boars is represented by
> an 8x8 2D array:
>
> chessBoard = [
>     [0,0,0,0,0,0,0,0],
>     [0,0,0,0,0,0,0,0],
>     [0,0,0,0,0,0,0,0],
>     [0,0,0,0,0,0,0,0],
>     [0,0,0,0,0,0,0,0],
>     [0,0,0,0,0,0,0,0],
>     [0,0,0,0,0,0,0,0],
>     [0,0,0,0,0,0,0,0]
> ]
>
> Now you can access the third row, 4th column with:
>
> chessBoard[2][3]   # remember zero indexing!
>
> Is that clear?
>
> You can also use tuples similarly, or nested dictionaries.
> A lot will depend on the data you are storing and how you
> want to access it.
>
> Finally you can create a Class with bespoke methods to
> more closely model your problem, but the class will usaually
> have one of the above solutions internally anyhow!
>
> HTH.
>
> Alan Gauld
> Author of the Learn to Program web site
> http://www.freenetpages.co.uk/hp/alan.gauld
>
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