Claudio Grondi wrote: > anthonyberet wrote: >> Hello again - rather a newbie here... >> I am considering different strategies, but first I need to decide on >> the data-structure to use for the progress/solution grid. > > ... define your grid as a dictionary in a following way: > grid = {} > for column in range(1,10): > for row in range(1,10): > grid[(column, row)] = None > # then you can refer to the cells of the 'array' like: > colNo=5; rowNo=4 > valueInCellOfGrid = grid[(colNo, rowNo)] > # and set them like: > grid[(colNo, rowNo)] = 9 > print valueInCellOfGrid > print grid[(colNo, rowNo)]
Though a couple of people have suggested a dictionary, nobody has yet pointed out that a[i, j] is the same as a[(i, j)] (and looks less ugly). So, I'd go with dictionaries, and index them as grid = {} for column in range(1,10): for row in range(1,10): grid[column, row] = None ... valueInCellOfGrid = grid[col, row] grid[col, row] = 9 ... --Scott David Daniels [EMAIL PROTECTED] -- http://mail.python.org/mailman/listinfo/python-list