29 Jun 2005 10:04:40 GMT skrev F. Petitjean: > Le Wed, 29 Jun 2005 09:46:15 +0000 (UTC), Mandus a écrit : >> Hi there, >> >> inspired by a recent thread where the end of reduce/map/lambda in Python was >> discussed, I looked over some of my maps, and tried to convert them to >> list-comprehensions. >> >> This one I am not sure how to conver: >> >> Given three tuples of length n, b,i and d, I now do: >> >> map(lambda bb,ii,dd: bb+ii*dd,b,i,d) >> >> which gives a list of length n. > > res = [ bb+ii*dd for bb,ii,dd in zip(b,i,d) ]
aha - thanks! I wasn't aware of zip. Guess I have to put python in a nutshell on my nightstand (again) :-) seem to be a tad slower than the map, but nothing serious. Guess it's the extra zip. > > Hoping that zip will not be deprecated. hopefully not... -- Mandus - the only mandus around. -- http://mail.python.org/mailman/listinfo/python-list
