8x8 Network Utility Instant

def display_grid(self): """Text representation of 8x8 grid with node status""" print("\n8x8 Network Grid (U=up, .=down):") print(" " + " ".join(f"i:2" for i in range(self.size))) for y in range(self.size): row = f"y:2 " for x in range(self.size): status = "U" if self.nodes[(x, y)] == "up" else "." row += f" status " print(row) print() def main(): net = MeshNetwork(8) print("=== 8x8 Mesh Network Utility ===") print("Commands: send <x1,y1> <x2,y2> | down/up <x,y> | show | quit")

path = [] x, y = src tx, ty = dst

> down 4,0 Node (4,0) is now down

def set_node_state(self, node, state): if node in self.nodes and state in ["up", "down"]: self.nodes[node] = state return True return False 8x8 network utility

# move in X direction step_x = 1 if tx > x else -1 while x != tx: x += step_x if self.nodes[(x, y)] != "up": return None, f"Node (x,y) is down — path blocked" path.append((x, y)) | down/up &lt

class MeshNetwork: def (self, size=8): self.size = size self.nodes = {} for x in range(size): for y in range(size): self.nodes[(x, y)] = "up" # all nodes initially up y = src tx

# move in Y direction step_y = 1 if ty > y else -1 while y != ty: y += step_y if self.nodes[(x, y)] != "up": return None, f"Node (x,y) is down — path blocked" path.append((x, y))