Cast list of objects to list of strings
Gary Herron
gherron at islandtraining.com
Mon Jun 2 18:33:12 EDT 2008
bukzor wrote:
> I have this function:
>
> def write_err(obj):
> from sys import stderr
> stderr.write(str(obj)+"\n")
>
> and I'd like to rewrite it to take a variable number of objects.
> Something like this:
>
> def write_err(*objs):
> from sys import stderr
> stderr.write(" ".join(objs)+"\n")
>
> but I lose the property that the function works on any object.
No you don't. If you were happy with printing the str(...) of a single
objects, why not just printout the (concatenation) of the str(...) of
each of many objects?
stderr.write(" ".join([str(b) for b in objs])+"\n")
Gary Herron
> What's
> the simplest way to fix this? In essence, I need to cast a list of
> objects to a list of strings. I'd like to do just "str(objs)" but that
> (obviously) doesn't quite do what I need.
>
> --
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>
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