[Tutor] Iterating over list of functions

[Robert Berman]

Thank you, Christian. This solution was one I was not expecting and am
glad to receive it. It is one I will explore in greater detail later.

Robert


On Wed, 2009-05-20 at 16:44 +0200, Christian Witts wrote:
> Robert Berman wrote:
> > Hi,
> >
> > Given a list of options: option_1.......option_n. For each option I have
> > a corresponding function: func_1..... func_n. I have all function names
> > defined in a list similar to flist = [func_1, func_2,.......func_n]
> > which I know is a legitimate construct having found a similar  construct
> > discussed by Kent Johnson in 2005.
> >
> > What I do not know how to do is to call the selected function. If the
> > index of options is 1, then I want to call func_2; do I code
> > flist[index]? I do not think Python has a branch indirect construct so I
> > cannot use anything similar to that methodology.  What is the best
> > approach to take to solve this problem?
> >
> > Thank you for any assistance, hints, solutions, and guidelines.
> >
> > Robert
> >
> >
> >
> >
> > _______________________________________________
> > Tutor maillist  -  Tutor at python.org
> > http://mail.python.org/mailman/listinfo/tutor
> >
> >   
> Why not use a dictionary to do the heavy lifting for you
> 
>  >>> import string
>  >>> funcs = {1:string.upper, 2:string.lower}
>  >>> funcs[1]('this is a simple test')
> 'THIS IS A SIMPLE TEST'
>  >>> funcs[2]('THIS IS A SIMPLE TEST')
> 'this is a simple test'
>