def __init__(self, root=None, X_MAX=10, Y_MAX=10): """ Constructor root - reference to the wdiget containing this widget """ Frame.__init__(self, root) cells = [] for x in range(0, X_MAX): cols = [] for y in range(0, Y_MAX): cell = CellWidget(master=self, width=C_SIZE, height=C_SIZE) cell.grid(row=x, column=y) cols.append(cell) cells.append(cols) GolGrid.__init__(self, cells)