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):
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