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[bvdpoel at uniserve.com]

Erno Kuusela wrote:
> 
> In article <MPG.173a32a9eb02be4a9896d0 at news.nwlink.com>, Jeff Shannon
> <jeff at ccvcorp.com> writes:
> 
> | Presuming that var is a list of ints, the following will be much
> | more efficient than your code, without requiring array/struct.
> 
> | def mkstring(var):
> |     var = [chr(a) for a in var]
> |     return ''.join(var)
> 
> import string, time
> 
> def time_fun(f):
>     start = time.time()
>     f()
>     elapsed = time.time() - start
>     print f, round(elapsed, 2)
> 
> L = [42]*1000000
> 
> def listcomp_test():
>     return string.join([chr(x) for x in L], '')
> 
> def map_test():
>     return string.join(map(chr, L), '')
> 
> assert map_test() == listcomp_test()
> for f in listcomp_test, map_test:
>     time_fun(f)
> 
> prints, for me:
> 
> % python ding.py
> <function listcomp_test at 1482a4> 6.82
> <function map_test at 1482d4> 1.83
> python ding.py  17.44s user 0.16s system 98% cpu 17.897 total
> 
> the map version is also more readable, imho.
> 
>   -- erno

Thanks ... yet another way to do it! Damn Python--too many choices :)

-- 
Bob van der Poel ** Wynndel, British Columbia, CANADA **
EMAIL: bvdpoel at uniserve.com
WWW:   http://users.uniserve.com/~bvdpoel