I have a binary file like this :
0 S 0 0 0 0 0 0 0 0 1 1 1 0 0 0 1 0 1 1 1 0 1 1 1 1 1 0 0 1 0 1 0 0 0 1 1 1 1 1 1 1 1 1 0 1 0 1 1 0 0 1 0 1 1 1 0 1 0 1 1 1 0 0 1 1 1 0 1 1 0 0 1 1 0 0 1 1 0 0 0 1 1 1 1 1 1 1 1 1 0 0 G 0 0 0 0 0 0 0 The words "S" and "G" are represented as "Start" and "Goal", also zeros are represented as walls and ones are open. I wanna create something like this 
I'v generated some piece of code with PySide6 library for at least basics, but I don't know why it doesn't show up anything even that(I just wanna show up the walls first), I'm sure that I missed something but I don't know what that is
import sysfrom PySide6.QtWidgets import QApplication, QMainWindow, QGraphicsScene, QGraphicsView, QGraphicsRectItemfrom PySide6.QtGui import QPen, QBrushfrom PySide6.QtCore import Qtclass MazeWindow(QMainWindow): def __init__(self, maze): super().__init__() self.maze = maze self.initUI() def initUI(self): self.setWindowTitle('Maze Visualizer') self.setGeometry(100, 100, 600, 600) scene = QGraphicsScene() view = QGraphicsView(scene, self) view.setGeometry(0, 0, 600, 600) pen = QPen(Qt.black) brush = QBrush(Qt.black) cell_size = 50 for i, row in enumerate(self.maze): for j, cell in enumerate(row): if cell == '0': rect = QGraphicsRectItem(j * cell_size, i * cell_size, cell_size, cell_size) rect.setPen(pen) rect.setBrush(brush) scene.addItem(rect) self.setCentralWidget(view)def main(): maze = [ # 0 S 0 0 0 0 0 0 0 0 ['0', 'S', '0', '0', '0', '0', '0', '0', '0', '0'], # 1 1 1 0 0 0 1 0 1 1 ['1', '1', '1', '0', '0', '0', '1', '0', '1', '1'], # 1 0 1 1 1 1 1 0 0 1 ['1', '0', '1', '1', '1', '1', '1', '0', '0', '1'], # 0 1 0 0 0 1 1 1 1 1 ['0', '1', '0', '0', '0', '1', '1', '1', '1', '1'], # 1 1 1 1 0 1 0 1 1 0 ['1', '1', '1', '1', '0', '1', '0', '1', '1', '0'], # 0 1 0 1 1 1 0 1 0 1 ['0', '1', '0', '1', '1', '1', '0', '1', '0', '1'], # 1 1 0 0 1 1 1 0 1 1 ['1', '1', '0', '0', '1', '1', '1', '0', '1', '1'], # 0 0 1 1 0 0 1 1 0 0 ['0', '0', '1', '1', '0', '0', '1', '1', '0', '0'], # 0 1 1 1 1 1 1 1 1 1 ['0', '1', '1', '1', '1', '1', '1', '1', '1', '1'], # 0 0 G 0 0 0 0 0 0 0 ['0', '0', 'G', '0', '0', '0', '0', '0', '0', '0'] ] app = QApplication(sys.argv) window = MazeWindow(maze) window.show() app.exec()if __name__ == '__main__': main()so grateful for your advises.