PEP 308 use case (Re: A suggestion for a possible Python module)

[Greg Ewing (using news.cis.dfn.de)]

If anyone's collecting potential use cases for
conditional expressions, here's one.

Jp Calderone wrote:
>     def commaize(s):
>         P = len(s) % 3
>         st = s[:P] + (len(s) > 3 and P and ',' or '')
#                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
>         return st + ','.join([s[i:i+3] for i in range(P, len(s), 3)])

-- 
Greg Ewing, Computer Science Dept,
University of Canterbury,	
Christchurch, New Zealand
http://www.cosc.canterbury.ac.nz/~greg