> The above construct works if I have only few items, but if I have many, > I'd prefer to write > >>>>N =3 >>>>x =N*[[0]] >>>>x > > [[0], [0], [0]] > > If I now try extending the lists indepently, I cannot, as they all > point to the same list object > >>>>x[0].append(1) >>>>x > > [[0, 1], [0, 1], [0, 1]] > > Is there a simple way to create a list of independent lists?
My first thought would be >>> N = 10 >>> x = [[0] for _ in range(N)] >>> x[0].append(1) >>> x [[0, 1], [0], [0], [0], [0], [0], [0], [0], [0], [0]] HTH, -tkc -- http://mail.python.org/mailman/listinfo/python-list
