The REALLY bad thing about Python lists ..

[Ben Wolfson]

On Thu, 25 May 2000 03:16:57 +0100, Russell Wallace
<rwallace at esatclear.ie> wrote:

>Greg Ewing wrote:
>> I'd much rather have an honest, well-defined "wrap around"
>> operator that I can rely on, even if I have to look up the
>> language definition now and then, than have to wade through
>> code that's been obfuscated to work around its absence.
>
>So define one.
>
>def wrapmod(x, y):
>	while x < 0:
>		x = x + y    # simple implementation, could do it more efficiently
>	return x % y

>From what I've seen of what negative modulo operators do, it seems as
if 

def wrapmod(x, y):
	return (( x%y ) + y ) % y )

would work

-- 
Barnabas T. Rumjuggler

The world is turning into a cesspool of imbeciles.
 -- Harlan Ellison