help needed

[Adam Mesha]

On Mon, Apr 8, 2013 at 11:01 AM, leonardo selmi <l.selmi at icloud.com> wrote:

> then i get this error:
>
> Traceback (most recent call last):
>   File "/Users/leonardo/Documents/ex13.py", line 3, in <module>
>     script, first, second, third = argv
> ValueError: need more than 1 value to unpack
>

You didn't provide any arguments to the script.


> in the book the author says that i should run the program like this:
>
> $ python ex13.py first 2nd 3rdThe script is called: ex13.pyYour first variable is: firstYour second variable is: 2ndYour third variable is: 3rd
>
> but how can i do that?? what are the steps? where should i go?
>

You need to open a command line terminal and type the first line (without
the dollar sign). You will need to change your directory to the directory
that contains your exercise script, probably by doing "cd
/path/to/exercise/directory". If you're on Windows it's the same idea, you
run the "cmd" program, but you would have to specify the full path to the
python interpreter instead of just "python", or follow the directions that
have been offered for fixing Windows.

Adam
www.mesha.org
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