Can someone give me a short explanation?

[88Pro]

Thanks all of you explained me. Now I understand more clearly than every before.

Regards
Senthoor

"Daniel Dittmar" <daniel.dittmar at sap.com> wrote in message news:<c4r8vb$rrj$1 at news1.wdf.sap-ag.de>...
> Senthoorkumaran Punniamoorthy wrote:
> > I found this code in the book text processing with Python. But having
> > little difficulty understanding how exactly it works and what should
> > be passed as argument? Can someone decode this for me please?
> >
> > apply_each = lambda fns, args=[]: map(apply, fns, [args]*len(fns))
> 
> def apply_each (fns, args = []):
>     return map (apply, fns, [args]*len(fns))
> 
> map(...)
>     map(function, sequence[, sequence, ...]) -> list
> 
>     Return a list of the results of applying the function to the items of
>     the argument sequence(s).  If more than one sequence is given, the
>     function is called with an argument list consisting of the corresponding
>     item of each sequence, substituting None for missing values when not all
>     sequences have the same length.  If the function is None, return a list
> of
>     the items of the sequence (or a list of tuples if more than one
> sequence).
> 
> so apply_each ([func1, func2, func3], [arg1, arg2])
> is the same as
> [func1 (arg1, arg2), func2 (arg1, arg2), func3 (arg1, arg)]
> 
> or using list comprehension
> [func (arg1, arg2) for func in [func1, func2, func3])
> 
> Daniel