On Fri, 05 Jul 2013 16:18:41 +0100, Fábio Santos wrote: > On 5 Jul 2013 15:59, "Helmut Jarausch" <jarau...@igpm.rwth-aachen.de> wrote: >> >> On Fri, 05 Jul 2013 13:44:57 +0100, Fábio Santos wrote: >> May I suggest you avoid range and use enumerate(the_array) instead? It >> might be faster. >> >> How does this work? >> >> Given >> >> Grid= [[0 for j in range(9)] for i in range(9)] >> >> for (r,c,val) in ????(Grid) : >> >> Helmut > > for r, row_lst in enumerate(Grid): > for c, val in enumerate(row_lst):
This is only slightly faster. I assume the creation of the temporary lists "row_list" is a bit expensive. Taking 5.4 seconds it's much slower than the current champion ( 0.79 seconds ) Thanks, Helmut. -- http://mail.python.org/mailman/listinfo/python-list
