Pythonic way to determine if a string is a number

[python at bdurham.com]

Scott,

> Pretty good, but what about 0x23?
> 
<snipped>
> num = int(input, 0) # Convert to int, base spec in arg
>

Very nice! I wasn't familiar with the use of 0 as a radix value. A quick
visit back to the documentation and I'm an enlightened man :)

Thanks for your feedback,

Malcolm