grid = [ ["1","1","1","1","0"], ["1","1","0","1","0"], ["1","1","0","0","0"], ["0","0","0","0","0"] ] rows = len(grid) cols = len(grid[0]) copy_grid = [[0 for i in range(cols)] for j in range(rows)] # print() for i in range(0, rows): for j in range(0, cols): copy_grid[i][j] = grid[i][j] print(copy_grid)