lambda question

[David Bear]

<posted & mailed>

David Bear wrote:

> I was hoping to use lambda to create some quick string transforming
> functions.  So I did :
> 
> name = "a title"
> title = lambda s: "<title> % </title>" % s
> print title(name)
> Traceback (most recent call last):
>   File "<stdin>", line 1, in ?
>   File "<stdin>", line 1, in <lambda>
> 
> I don't understand this.  Is lambda not a good way to do this?  I was
> hoping to avoid function overhead by creating some anonymous functions,
> but I guess I don't understand how to use them.. any comments?

Solved my problem.  I was missing the s after the first %.  Still I am 
wondering if this is a valid use of the lambda function.  Anyone have 
comments on where lambda's are most usefull?