I suggest you should build your list using a list comprehension: >>>a = [[0]*3 for i in range(3)] >>>a [[0, 0, 0], [0, 0, 0], [0, 0, 0]] >>>a[0][1] = 1 [[0, 1, 0], [0, 0, 0], [0, 0, 0]]
-- Steve R. Hastings "Vita est" [EMAIL PROTECTED] http://www.blarg.net/~steveha -- http://mail.python.org/mailman/listinfo/python-list
