On Nov 11, 7:48 pm, [EMAIL PROTECTED] wrote: > gc_ott: > > > How do I change the value of any element to produce (say) > > [[99,0,0],[0,0,0],[0,0,0]] ? > > > gordc > > To create a 2D list, that is a list of lists: > x = [[0] * ncols for i in nrows] > (Don't do what you were doing, because you end with many references to > the same list, and that will give you troubles.) > > To set an item you do just: > x[0][0] = 99 > > Bye, > bearophile
Many thanks, I don't think I would ever 'discovered' this. gordc -- http://mail.python.org/mailman/listinfo/python-list
