[Tutor] Newbie question re. Functions

[Jon Moore]

Thats fine, but what differance does it make?

I can see no way that it improves the code.

I assume later on when the function is called, it should look as follows:

move = ask_number("Where will you move? (0-8): ", 0, NUM_SQUARES, 1)

Jon

On 01/02/06, Ed Singleton <singletoned at gmail.com> wrote:
>
> On 31/01/06, Jon Moore <jonathan.r.moore at gmail.com> wrote:
> > Improve the function ask_number() so that the function can be called
> with a
> > step value. Make the default value of step 1.
> >
> > The function looks like this:
> >
> > def ask_number(question, low, high):
> >     """Ask for a number within the range"""
> >     response = None
> >     while response not in range(low, high):
> >         response =  int(raw_input(question))
> >     return response
>
> To be honest, this made sense to me.  I assumed the author wants you
> to be able to do the following:
>
> ask_number("Give me an even number between 1 and 10", 1, 10, 2)
>
> The solution would be:
>
> def ask_number(question, low, high, step=1):
>         """Ask for a number within the range"""
>         response = None
>         while response not in range(low, high, step):
>                 response =  int(raw_input(question))
>         return response
>
> But I definitely agree that he said it very, very badly.
>
> Ed
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>



--
Best Regards

Jon Moore
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